output stringlengths 52 181k | instruction stringlengths 296 182k |
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#include<cstdio>
#include<algorithm>
using namespace std;
const int N=605;
const int mod=1e9+7;
int n,m,mat[N],s[N],g[N],f[N][N],ans;
int main(){
scanf("%d%d",&n,&m);n<<=1;
for(int i=1;i<=n;++i)s[i]=1;
for(int i=1,x,y;i<=m;++i){
scanf("%d%d",&x,&y);
mat[x]=y;mat[y]=x;s[x]=s[y]=0;
}
for(int i=1;i<=n;++i)s[i]+=s... | ### Prompt
Your task is to create a Cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment... |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll MOD = 1000000007;
const int maxn = 608;
int a[maxn], b[maxn], c[maxn], n, k;
ll p[maxn], f[maxn][maxn];
bool in(int a, int l, int r) {
return l <= a && a < r;
}
bool chk(int l, int r) {
for (int i = 0; i < k; i++) {
if (in(a[i], l, r)... | ### Prompt
Your challenge is to write a Cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
int f[605][605];
int a[605],b[605];
int h[605],fc[605];
const int mod=1e9+7;
int main(){
int n,k;
scanf("%d%d",&n,&k);
n*=2;
for(int i=1;i<=k;i++){
scanf("%d%d",&a[i],&b[i]);
h[a[i]]=1;
h[b[i]]=1;
}
fc[0]=1;
for(int i=1;i<=n;i++)fc... | ### Prompt
Please create a solution in cpp to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include<bits/stdc++.h>
#define mp make_pair
#define fs first
#define sc second
#define pb push_back
#define mod 1000000007
using namespace std;
int n,k;
int match[610];
long long f[610];
long long dp[610][610];
long long dp2[610][610];
long long cnt[610][610];
long long solve(int l, int r){
if(dp[l][r] != -1) retu... | ### Prompt
Construct a Cpp code solution to the problem outlined:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecti... |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 605;
const int MOD = 1e9 + 7;
int to[N], sum[N];
ll dp[N][N], g[N];
int main() {
ios::sync_with_stdio(0);
cin.tie(nullptr);
int n, m; cin >> n >> m;
for (int i = 0; i < m; i++) {
int u, v; cin >> u >> v;
... | ### Prompt
Create a solution in cpp for the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting ... |
#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=(a);i<=(b);++i)
using namespace std;
const int N=605,P=1e9+7;
int n,K,ans,fac2[N],match[N],f[2][N];
int main(){
fac2[0]=1;
for(int i=1;i<N;++i)fac2[i]=1LL*fac2[i-1]*(2*i-1)%P;
scanf("%d%d",&n,&K);
for(int i=1;i<=K;++i){
int k1,k2;
scanf("%d%d",&k1,&k2);
mat... | ### Prompt
Create a solution in Cpp for the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting ... |
#include<bits/stdc++.h>
#define M 1000000007
#define maxn 603
using namespace std;
typedef long long ll;
inline ll add(ll a, ll b) {return a + b < M ? a + b : a + b - M;}
inline ll sub(ll a, ll b) {return a - b < 0 ? a - b + M : a - b;}
inline ll mult(ll a, ll b) {return a * b % M;}
int n, k;
int a[maxn], b[maxn];
... | ### Prompt
Your task is to create a Cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment... |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 607, mod = 1000000007;
int n, link, opp[N], g[N], f[N][N], c[N][N];
int main() {
scanf("%d%d", &n, &link);
n <<= 1;
while (link--) {
int x, y;
scanf("%d%d", &x, &y);
opp[x] = y;
opp[y] = x;
}
g[0] = 1;
for (... | ### Prompt
In cpp, your task is to solve the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting... |
#include <iostream>
using namespace std;
using LL = long long;
const int maxN = 605;
const int mod = 1e9 + 7;
int n, K, ans;
int to[maxN], sum[maxN], g[maxN];
int f[maxN][maxN];
bool vis[maxN];
inline int cnt(int i, int j)
{ return sum[j] - sum[i - 1]; }
inline void Mod(int& x)
{ x >= mod ? x -= mod : x < 0 ? x +=... | ### Prompt
In CPP, your task is to solve the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting... |
#pragma GCC optimize(3)
#include<bits/stdc++.h>
#define MAXN 605
#define INF 1000000000
#define MOD 1000000007
#define F first
#define S second
using namespace std;
typedef long long ll;
typedef pair<int,int> P;
int n,K,a[MAXN],b[MAXN];
int unpaired[MAXN];
int sum[MAXN];
int ffact[MAXN];
int dp[MAXN][MAXN];
void add(in... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include <bits/stdc++.h>
using namespace std;
const int P = 1000000007;
int n, k, a[305], b[305], cnt[605], sum[605][605], f[605][605];
int calc(int xl, int xr, int yl, int yr) {
return sum[xr][yr] - sum[xr][yl - 1] - sum[xl - 1][yr] + sum[xl - 1][yl - 1];
}
int main() {
scanf("%d%d", &n, &k);
cnt[0] = 1;
for (... | ### Prompt
Develop a solution in CPP to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include<iostream>
#define int long long
using namespace std;
const int N=302;
const int mod=1e9+7;
int n,dp[2*N][2*N],damn[2*N],cnt[2*N],wow[2*N];
int dem(int l,int r){
// if(l==n*2+1||r==0){
// return 0;
// }
return r-l+1-cnt[r]+cnt[l-1];
}
signed main(){
ios::sync_with_stdio(0);
cin.tie(0);
int i,j,num,k,l,ans=... | ### Prompt
Your task is to create a Cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment... |
#include<iostream>
#include<algorithm>
#include<cstdio>
#include<cstring>
#define Mod 1000000007
using namespace std;
bool vis[610];
int A[310],B[310];
int val[610];
int n,k;
bool check(int a,int b,int x,int y)
{
return (x<=a&&a<=y)^(x<=b&&b<=y);
}
int dp[610][610],Dp[610][610];
int f(int,int);
int F(int,int);
int f(i... | ### Prompt
Please create a solution in Cpp to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <bits/stdc++.h>
using namespace std;
const long long mod = 1e9 + 7;
int n, k, a[610], b[610], pd[610];
long long cnt[610][610], dp[610][610], g[2000], ans;
int main() {
scanf("%d%d", &n, &k);
for(int i = 1; i <= k; ++i) {
scanf("%d%d", &a[i], &b[i]);
pd[a[i]] = b[i];
pd[b[i]]... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#define MAXN 610
#define MOD 1000000007
int n, m, a[MAXN], b[MAXN], f[MAXN][MAXN];
int g[MAXN], s[MAXN], ans, in, out;
inline void up(int &x, int y) {
if ((x += y) >= MOD) x -= MOD;
}
int main() {
scanf("%d%d", &n, &m);
g[0] = 1;
for (int ... | ### Prompt
Please create a solution in Cpp to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include<iostream>
#include<cstdio>
#include<cstring>
#define N 610
#define ll long long
#define mod 1000000007
using namespace std;
int link[N],tot[N][N];
ll f[N][N],h[N<<1];
int main()
{
int n,k;
scanf("%d%d",&n,&k);
n<<=1;
for(int i=1;i<=k;i++)
{
int u,v;
scanf("%d%d",&u,&v);
link[u]=v;
link[v]=u;
}
h... | ### Prompt
Please formulate a Cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include<bits/stdc++.h>
#define mo 1000000007
#define ny 499122177
#define maxn 1000000000000000000LL
#define pi 3.1415926535898
#define eps 1e-9
using namespace std;
long long read(){
long long xx=0,flagg=1;
char ch=getchar();
while((ch<'0'||ch>'9')&&ch!='-')
ch=getchar();
if(ch=='-'){
... | ### Prompt
Construct a CPP code solution to the problem outlined:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecti... |
#include<bits/stdc++.h>
#define fo(i,a,b) for(int i=a;i<=b;i++)
using namespace std;
typedef long long LL;
const int maxn=305;
const LL mo=1e9+7;
int n,k,op[2*maxn];
bool bz[2*maxn],vis[2*maxn];
LL f[2*maxn][2*maxn];
LL ffac[2*maxn];
void Pre(int n)
{
ffac[1]=1;
fo(i,3,n) if (i&1) ffac[i]=ffac[i-2]*i%mo;
}
LL s(i... | ### Prompt
Please provide a cpp coded solution to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
//ΔAGC028D
#include<iostream>
#include<cstdio>
#include<fstream>
#include<algorithm>
#include<vector>
#include<map>
#include<set>
#include<queue>
#include<bitset>
#include<cmath>
#include<cstring>
#include<cstdlib>
using namespace std;
typedef long long LL;
typedef double DB;
const int N = 666;
const int MO = 1e9+7;
in... | ### Prompt
Your task is to create a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment... |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
#define mp make_pair
#define PI pair<int,int>
#define poly vector<int>
#define For(i,l,r) for(int i=(int)(l);i<=(int)(r);i++)
#define Rep(i,r,l) for(int i=(int)(r);i>=(int)(l);i--)
#define pb push_... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include<iostream>
#include<cstring>
#include<cstdio>
#include<vector>
#include<algorithm>
using namespace std;
#define LL long long
#define fgx cerr<<"--------------"<<endl;
#define dgx cerr<<"=============="<<endl;
inline int read(){
int x=0,f=1;char c=getchar();
for(;!isdigit(c);c=getchar()) if(c=='-') f=-1;
f... | ### Prompt
Generate a cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting th... |
#include<cstdio>
#define RI register int
#define CI const int&
using namespace std;
const int N=605,mod=1e9+7;
int n,k,x,y,f[N][N],p[N],g[N],sum[N],ans;
inline void DP(CI l,CI r)
{
if ((sum[r]-sum[l-1])&1) return; RI i;
for (i=l;i<=r;++i) if (p[i]&&(p[i]<l||p[i]>r)) return;
int ret=g[sum[r]-sum[l-1]]; for (i=l+1;i<=... | ### Prompt
Please formulate a Cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include<bits/stdc++.h>
#define For(i,l,r) for(int i = (l),i##end = (r);i <= i##end;i++)
#define Fordown(i,r,l) for(int i = (r),i##end = (l);i >= i##end;i--)
#define debug(x) cout << #x << " = " << x << endl
using namespace std;
typedef long long ll;
template <typename T> inline bool chkmin(T &x,T y) { return y < x ... | ### Prompt
Generate a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting th... |
#include<iostream>
#include<cstdio>
#define FOR(i,a,b) for(int i=a;i<=b;i++)
#define FOF(i,a,b) for(int i=a;i< b;i++)
using namespace std;
const int N=660,P=1e9+7;
int n,K,m,ans,x,y;
int lk[N],w[N],g[N][N],f[N][N];
bool in(int x,int l,int r){return l<=x && x<=r || l<=x+m && x+m<=r;}
int main(){
//freopen("1.in","r",st... | ### Prompt
Create a solution in CPP for the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting ... |
// Version.10.32.47.06.04.20.
#include <bits/stdc++.h>
#define N 666
using namespace std;
const int mod = 1e9 + 7;
int n, m, cnt[N], p[N], ffac[N], f[N][N];
inline int num(int l, int r) { return cnt[r] - cnt[l - 1]; }
int main() {
cin >> n >> m;
int K = (n - m) << 1;
for (int i = 1; i <= n * 2; ++i)
... | ### Prompt
Generate a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting th... |
#include <bits/stdc++.h>
typedef long long LL;
const int N = 605, mod = 1000000007;
int n, k, ans, dp[N][N], min[N], max[N], g[N], sum[N];
void down(int &x, int y) { x = std::min(x, y); }
void up(int &x, int y) { x = std::max(x, y); }
void reduce(int &x) { x += x >> 31 & mod; }
int dfs(int l, int r) {
if (~dp[l][... | ### Prompt
Please create a solution in CPP to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <bits/stdc++.h>
using namespace std;
const int64_t MOD = 1e9+7;
void add(int64_t& a, int64_t b){
a = (a+b) % MOD;
}
int N, K;
int A[300], B[300];
int64_t dp[600][600];
int freedom[600][600];
int64_t g[601];
int main(){
int i, j, k;
cin >> N >> K;
for(i=0; i<K; i++){
int a, b;
... | ### Prompt
In Cpp, your task is to solve the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting... |
#include <bits/stdc++.h>
using namespace std;
const int N = 610;
const int Mod = 1e9 + 7;
int add(int a, int b) {
return (a += b) >= Mod ? a - Mod : a;
}
int sub(int a, int b) {
return (a -= b) < 0 ? a + Mod : a;
}
int mul(int a, int b) {
return 1ll * a * b % Mod;
}
int n, k, a[N], b[N], f[N][N], g[N][N], h... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 600, mod = 1e9 + 7;
int n, m, s[maxn + 10][maxn + 10];
int a[maxn + 10], b[maxn + 10];
int f[maxn + 10][maxn + 10], g[maxn + 10];
int ans;
bool in(int p, int l, int r) {
if (l <= r) return p >= l && p <= r;
else return p >= l || p <= r;
}
int rlink(int ... | ### Prompt
In Cpp, your task is to solve the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting... |
#include <bits/stdc++.h>
#define MOD 1000000007
long long dp[605][605], fact[605], ans;
int x[605], y[605], pre[605];
int main()
{
// freopen("AGC028-D.in", "r", stdin);
int n, k;
scanf("%d%d", &n, &k);
n <<= 1;
fact[0] = 1;
for (int i = 2; i <= n; i++) {
fact[i] = fact[i - 2] * (i - 1) % MOD;
}
for (int i = ... | ### Prompt
Develop a solution in cpp to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <bits/stdc++.h>
using namespace std;
const int64_t M = 1000000007;
const int MAX_N = 300;
int n, k;
int p[2*MAX_N+1];
int64_t dp[2*MAX_N+1][2*MAX_N+1];
int psum[2*MAX_N+1];
int64_t gpre[2*MAX_N];
int64_t g(int i, int j)
{
int n = psum[j] - psum[i-1];
if (i == j || n % 2 == 1) return 0;
if (n == 0) ret... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include<cstdio>
#include<cmath>
#include<cstdlib>
#include<cstring>
#include<algorithm>
#define ll long long
#define inf 0x3f3f3f3f
#define mod 1000000007
#define maxn 610
inline ll read()
{
ll x=0; char c=getchar(),f=1;
for(;c<'0'||'9'<c;c=getchar())if(c=='-')f=-1;
for(;'0'<=c&&c<='9';c=getchar())x=x*10+c-'0';
re... | ### Prompt
Please provide a cpp coded solution to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include <bits/stdc++.h>
typedef long long ll;
const int N = 648, mod = 1000000007;
int n;
int a[N], s[N];
int dfact[N], min[N][N], max[N][N], f[N][N];
inline void up(int &x, const int y) {x < y ? x = y : 0;}
inline void down(int &x, const int y) {x > y ? x = y : 0;}
inline int sum(int l, int r) {return s[r] - s[l -... | ### Prompt
Please formulate a cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include<iostream>
#include<cstdio>
#define p 1000000007
using namespace std;
int n,K,ans,to[1010],f[1010][1010],g[1010],num[1010][1010];
bool check(int x,int y)
{
if((x^y^1)&1) return 0;
for(int i=x;i<=y;i++)
if(to[i]&&(to[i]<x||to[i]>y)) return 0;
return 1;
}
int main()
{
scanf("%d%d",&n,&K);
for(int i=1,x,y;i<... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include <bits/stdc++.h>
typedef long long int int64;
static const int64 mod = 1000000007LL;
int pair[603];
int cnt[603];
int64 g[603];
int64 dp[603][603];
int n,m;
int main()
{
scanf("%d%d",&n,&m);n *= 2;
for(int i = 0;i < n;++i) {
pair[i] = -1;
}
for(int i = 0;i < m;++i) {
int a,b;
scanf("%d%d",&a,&b);--a... | ### Prompt
Generate a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting th... |
#include<cstdio>
#include<cstring>
#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;
const int INF=1000000007;
int a[804],b[804],g[804],s[804][804],ss[804][804],f[804][804];
int main()
{
int n,k,i,j,kk,ans=0;
//freopen(".in","r",stdin);
//freopen(".out","w",stdout);
scanf("%d%d",&n,&kk)... | ### Prompt
Create a solution in cpp for the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting ... |
#include<bits/stdc++.h>
using namespace std;
const int MAXN = 605;
const int P = 1e9 + 7;
typedef long long ll;
template <typename T> void chkmax(T &x, T y) {x = max(x, y); }
template <typename T> void chkmin(T &x, T y) {x = min(x, y); }
template <typename T> void read(T &x) {
x = 0; int f = 1;
char c = getchar();
... | ### Prompt
Construct a Cpp code solution to the problem outlined:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecti... |
#include <bits/stdc++.h>
#define MAX_N 600
#define P 1000000007
using namespace std;
typedef long long lnt;
template <class T> inline void read(T &x) {
x = 0; int c = getchar(), f = 1;
for (; !isdigit(c); c = getchar()) if (c == 45) f = -1;
for (; isdigit(c); c = getchar()) (x *= 10) += f*(c-'0');
}
int n, m; lnt an... | ### Prompt
Generate a cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting th... |
#include<bits/stdc++.h>
#define cmin(a,b) (a>(b)?a=(b),1:0)
#define cmax(a,b) (a<(b)?a=(b),1:0)
#define dmin(a,b) ((a)<(b)?(a):(b))
#define dmax(a,b) ((a)>(b)?(a):(b))
namespace io
{
int F()
{
int F=1,n=0;
char ch;
while((ch=getchar())!='-'&&(ch<'0'||ch>'9'));
ch=='-'?F=0:n=ch-'0';
while((ch=getchar())... | ### Prompt
Please create a solution in Cpp to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include<bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7;
int f[603][603] , N , K , pr[1203] , jc[1203];
int poww(long long a , int b){
int times = 1;
while(b){
if(b & 1) times = times * a % MOD;
a = a * a % MOD; b >>= 1;
}
return times;
}
int main(){
cin >> N >> K; memset(pr , -1 , sizeof(pr));... | ### Prompt
In Cpp, your task is to solve the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting... |
#include <bits/stdc++.h>
using namespace std;
template <typename T> void read(T &t) {
t=0; char ch=getchar(); int f=1;
while ('0'>ch||ch>'9') { if (ch=='-') f=-1; ch=getchar(); }
do {(t*=10)+=ch-'0';ch=getchar();} while ('0'<=ch&&ch<='9'); t*=f;
}
typedef long long ll;
const int maxn=610;
const ll mod=(1e9)+7;
int n... | ### Prompt
Construct a cpp code solution to the problem outlined:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecti... |
#include <bits/stdc++.h>
#define MOD 1000000007
using namespace std;
typedef long long ll;
inline void add(int &x,ll y) {
x=(x+y)%MOD;
}
ll facd[305];
void pre(int n) {
facd[0]=1;
for(int i=1;i<=n;i++) facd[i]=facd[i-1]*(2LL*i-1)%MOD;
}
int num[605];
int f[2][305];
int main() {
int n,m;
scanf("%d%d",&n... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include <bits/stdc++.h>
#define mset(a, b) memset(a, b, sizeof(a))
#define mcpy(a, b) memcpy(a, b, sizeof(a))
using namespace std;
typedef long long LL;
const int N = 605;
const int MOD = 1e9 + 7;
template <typename T> inline void read(T &AKNOI) {
T x = 0, flag = 1;
char ch = getchar();
while (!isdigit(ch)) {
if... | ### Prompt
Develop a solution in Cpp to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define f(i,a,b) for (int i = a; i < b; i++)
#define fr(i,a,b) for (int i = b-1; i >= a; i--)
#define IN(i,a,b) (a<=i&&i<=b)
const int mod = 1e9+7;
ll modpow(ll a, ll b) {
return b?modpow(a*a,b/2)*(b&1?a:1)%mod:1;
}
void add(ll &a, ll b) {
if (b... | ### Prompt
In cpp, your task is to solve the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting... |
#include <bits/stdc++.h>
using namespace std;
const int N = 610;
const int mod = 1e9 + 7;
int n, k, fix[N], f[N][N], mat[N];
long long g[N];
inline void calc(int l, int r) {
for (int i = l; i <= r; i ++)
if (mat[i]) if (mat[i] < l || mat[i] > r) return;
long long ans = g[r - l + 1 - (fix[r] - fix[l - 1])];
... | ### Prompt
In cpp, your task is to solve the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting... |
#include<stdio.h>
int a[512],b[512];
int dp[700][700];
bool vis[1024];
int f[700][700],g[700][700];
int main()
{
int n,k;
scanf("%d%d",&n,&k);
n<<=1;
for(int i=0;i<k;i++)
{
scanf("%d%d",&a[i],&b[i]);
vis[a[i]]=true;
vis[b[i]]=true;
}
for(int l=1;l<=n;l++)
{
for(int r=l;r<=n;r++)
{
bool ok=true;
... | ### Prompt
Your task is to create a cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment... |
#include<bits/stdc++.h>
#define to edge[i].v
#define mp make_pair
#define rint register int
#define debug(x) cerr<<#x<<"="<<x<<endl
#define fgx cerr<<"-------------"<<endl
#define N 666
using namespace std;
typedef long long ll;
typedef long double db;
typedef pair<int,int> pii;
const int mod=1e9+7;
int go[N],mx[N][N],... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include <iostream>
#include <cstdlib>
#include <cstdio>
using namespace std;
inline int read()
{
int f = 1, x = 0;
char ch;
do{
ch = getchar();
if (ch == '-')
f = -1;
}while(ch < '0' || ch > '9');
do{
x = x * 10 + ch - '0';
ch = getchar();
}while(ch >= '0' && ch <= '9');
return f * x;
}
const int N ... | ### Prompt
Construct a Cpp code solution to the problem outlined:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecti... |
#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cstring>
using namespace std;
const int mod=1e9+7;
int add(int x,int y){return x+y<mod?x+y:x+y-mod;}
void ade(int& x,int y){x+=y;if(x>=mod)x-=mod;}
int qpow(int x,int k)
{
int r=1;
while(k)
{
if(k&1)r=1ll*r*x%mod;
k>>=1;x=1ll*x*x%mod;
}
return r;... | ### Prompt
Please create a solution in CPP to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <iostream>
using i64 = long long;
const i64 MOD = 1000000007;
const int N = 600 + 7;
int n, k;
int to[N];
int cnt[N];
i64 f[N][N], g[N][N];
i64 dfac_[N], *dfac;
i64 ans;
int main() {
// freopen("code.in", "r", stdin);
// freopen("code.out", "w", stdout);
scanf("%d%d", &n, &k), n <<= 1;
for (int i = 1, x... | ### Prompt
Please formulate a cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <cstdio>
#include <algorithm>
using namespace std;
typedef long long ll;
const ll MOD = 1000000007;
const int N = 608;
int a[N], b[N], c[N], n, k;
ll p[N], f[N][N];
inline bool in(int a, int l, int r) {
return l <= a && a < r;
}
bool chk(int l, int r) {
for (int i = 0; i < k; i++)
if (in(a[i], l, r) ^ i... | ### Prompt
Develop a solution in Cpp to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <cstdio>
using namespace std;
#define fr(i, s, t) for (int i = s, i##end = t; i <= i##end; ++ i)
typedef long long LL;
const int N = 610;
const LL mod = 1e9 + 7;
int n, m, s, t;
int p[N], sum[N];
LL fac[N];
LL f[N][N], g[N][N];
int main()
{
scanf("%d %d", &n, &m);
fr (i, 1, m)
{
scanf("%d %d", &s, &t... | ### Prompt
Please formulate a Cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<iostream>
#define LL long long
using namespace std;
const LL mod=1e9+7;
LL p[610],f[610][610],g[610],n,K,cnt[610][610];
int main()
{
scanf("%lld %lld",&n,&K);
n<<=1;
for(LL i=1;i<=K;i++)
{
LL x,y;scanf("%lld %lld",&x,&y);
p[x]=y;p[y]=x;
}
g[0]=1;
... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include<cstdio>
#include<algorithm>
using namespace std;
typedef long long ll;
ll ans=0,n,i,j,u,k,x,y,p,sum,st,ok=0,pos[605],dp[2][1205][1205],fac[605],inv2[605],invfac[605];
const ll mod=1e9+7;
ll pow(ll a,ll b)
{
ll ans=1;
while(b)
{
if(b&1)ans=ans*a%mod;
a=a*a%mod;
b>>=1;
}
return ans;
}
ll col(ll a){ret... | ### Prompt
Please provide a cpp coded solution to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include <iostream>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <cmath>
#include <algorithm>
using namespace std;
const int maxn = 610;
const int mod = 1e9 + 7;
long long dp[maxn][maxn] = {0}, g[maxn], h[maxn][maxn];
int ea[maxn], eb[maxn];
int n, m;
bool in(int l, int r, int x)
{
return l <= x &&... | ### Prompt
Generate a cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting th... |
#include<bits/stdc++.h>
#define ll long long
using namespace std;
template<typename tn> void read(tn &a){
tn x=0,f=1; char c=' ';
for(;!isdigit(c);c=getchar()) if(c=='-') f=-1;
for(;isdigit(c);c=getchar()) x=x*10+c-'0';
a=x*f;
}
const int mod = 1e9+7;
ll fac[1100],ifac[1100],f[610][610],p[610];
int vis[610][610],n,... | ### Prompt
Generate a cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting th... |
#include<bits/stdc++.h>
using namespace std;
typedef long long lint;
typedef long double louble;
template<typename T1,typename T2> inline T1 max(T1 a,T2 b){return a<b?b:a;}
template<typename T1,typename T2> inline T1 min(T1 a,T2 b){return a<b?a:b;}
namespace ae86
{
const int bufl = 1<<15;
char buf[bufl],*s=buf,*... | ### Prompt
Please formulate a cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <cstdio>
#include <algorithm>
using namespace std;
typedef long long ll;
const int N = 310, P = 1000000007;
int n;
int match[N * 2], pre[N], sum[N * 2];
bool ab[N * 2][N * 2];
int con[N * 2][N * 2], spec[N * 2][N * 2];
int main() {
int k;
scanf("%d%d", &n, &k);
while (k--) {
int a, b;
scan... | ### Prompt
Generate a cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting th... |
#include<iostream>
#include<algorithm>
#include<vector>
#include<queue>
#define lol(i,n) for(ll i=0;i<n;i++)
#define mod 1000000007
typedef long long ll;
using namespace std;
#define N 610
ll n,k,a[N],b[N];
bool c[N];
ll g[N][N],f[N][N];
ll F(ll x){
if(x%2==1)return 0;
ll res=1;
for(x-=1;x>0;x-=2)res=res*x... | ### Prompt
Develop a solution in cpp to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <bits/stdc++.h>
using namespace std;
constexpr int P = 1000000007;
void increase(int &a, int b) {(a += b) >= P ? a -= P : 0;}
void decrease(int &a, int b) {(a -= b) < 0 ? a += P : 0;}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
vector<int> match(2 * n, -1), ... | ### Prompt
Your task is to create a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment... |
#include <algorithm>
#include <cstdio>
#include <cstring>
#define w(i, j) (c[j] - c[(i)-1])
typedef long long L;
const int N = 6e2 + 26, P = 1e9 + 7;
struct mod_t {
static int norm(int x) { return x + (x >> 31 & P); }
static void norm2(int& x) { x += x >> 31 & P; }
int x;
mod_t() {}
mod_t(int v) : x(v) {}
mod_t... | ### Prompt
In Cpp, your task is to solve the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting... |
#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>
typedef long long LL;
using namespace std;
const int maxn = 610, mod = 1e9 + 7;
int read()
{
int x = 0, f = 1; char c = getchar();
while(!isdigit(c)) { if(c == '-') f = 0; c = getchar(); }
while(isdigit(c)) { x = (x << 3) + (x << 1) + (c ^ 4... | ### Prompt
Your task is to create a Cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment... |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
const int maxn=6e2+10;
const int mod=1e9+7;
int c[maxn][maxn],dp[maxn][maxn],tmp[maxn],g[maxn];
int main() {
int n,K,a,b; scanf("%d%d",&n,&K);
for(int i=1;i<=K;i++) {
scanf("%d%d",&a,&b);
g[a]=b,g[b]=a;... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include <bits/stdc++.h>
using std::cerr;
using std::endl;
#define int long long
const int N = 650, P = 1e9 + 7;
int n, K, f[N][N], g[N], mat[N], ans;
signed main() {
// freopen("data", "r", stdin);
std::cin >> n >> K, n *= 2;
g[0] = 1;
for (int i = 2; i <= n; i += 2)
g[i] = g[i - 2] * (i - 1) % P;
f... | ### Prompt
Your task is to create a Cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment... |
#include<bits/stdc++.h>
using namespace std;
#define MN 600
#define MOD 1000000007
int n,m,F[MN+5],R[MN+5],p[MN+5],u[MN+5][MN+5],s[MN+5][MN+5],f[MN+5];
inline int inv(int x)
{
int r=1,y=MOD-2;
for(;y;y>>=1,x=1LL*x*x%MOD)if(y&1)r=1LL*r*x%MOD;
return r;
}
inline void rw(int&x,int y){if((x+=y)>=MOD)x-=MOD;}
inline int ... | ### Prompt
Please provide a cpp coded solution to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include <iostream>
#include <cstdio>
#define maxn 1003
#define mod 1000000007
using namespace std;
int pos[maxn], g[maxn], s[maxn], f[maxn][maxn];
void upd(int &x, int y){
x += y;
if (x >= mod)
x -= mod;
}
int main(){
int n, k;
cin >> n >> k;
for (int i = 1; i <= k; ++ i){
int u, v;
cin >> u >> v;
pos[u] ... | ### Prompt
Please create a solution in Cpp to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include<cstdio>
#include<cctype>
const int maxn=610,mod=1000000007;
int n,m;
int r[maxn],s[maxn];
int f[maxn][maxn],g[maxn];
int w;
int In() {
register char c;
for(;c=getchar(),c!='-'&&!isdigit(c););
register bool f=c=='-';
register int s=f?0:c-'0';
for(;c=getchar(),isdigit(c);)s=s*10+c-'0';
return f?-s:s;
}
int... | ### Prompt
In cpp, your task is to solve the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting... |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAX_N = 607;
const ll MOD = 1e9 + 7;
int N, K, match[MAX_N], match_mn[MAX_N][MAX_N], match_mx[MAX_N][MAX_N], match_cnt[MAX_N];
ll fac2[MAX_N], F[MAX_N][MAX_N], ans;
ll ways(int l, int r) {
if (match_mn[l][r] < l || match_mx[l][r] > r... | ### Prompt
Develop a solution in CPP to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include<bits/stdc++.h>
using namespace std;
const int MAXN = 605;
const int P = 1e9 + 7;
typedef long long ll;
template <typename T> void chkmax(T &x, T y) {x = max(x, y); }
template <typename T> void chkmin(T &x, T y) {x = min(x, y); }
template <typename T> void read(T &x) {
x = 0; int f = 1;
char c = getchar();
... | ### Prompt
Generate a Cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting th... |
#include<bits/stdc++.h>
#define rep(i,x,y) for (int i=(x);i<=(y);i++)
#define ll long long
using namespace std;
const int N=605,mod=1e9+7;
int n,m,a,b,f[N][N],cnt[N][N],p[N],g[N],ans;
void upd(int &x,int y){x+=y; x-=x>=mod?mod:0;}
int main(){
scanf("%d%d",&n,&m); n*=2;
rep (i,1,m) scanf("%d%d",&a,&b),p[a]=b,p[b]=a;
... | ### Prompt
Please formulate a Cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int,int> pii;
#define Rep(i,a,b) for(register int i=(a);i<=int(b);++i)
#define Dep(i,a,b) for(register int i=(a);i>=int(b);--i)
#define rep(i,a,b) for(register int i=(a);i<int(b);++i)
#define mem(x,v) memset(x,v,size... | ### Prompt
In Cpp, your task is to solve the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 600, mod = 1e9 + 7;
int n, k, a[maxn + 3], b[maxn + 3], g[maxn + 3];
int dp[maxn + 3][maxn + 3], cnt[maxn + 3][maxn + 3];
bool val[maxn + 3][maxn + 3];
bool in(int x, int l, int r) {
return x >= l && x <= r;
}
int main() {
scanf("%d %d", &n, &k);
for ... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include<bits/stdc++.h>
#define mod 1000000007
using namespace std;
int n, m, to[607], dp[607][607], g[607], res;
int read()
{
int num = 0;
char c = getchar();
while (c < '0' || c>'9')c = getchar();
while (c >= '0' && c <= '9')num = num * 10 + c - '0', c = getchar();
return num;
}
int main()
{
n = read();
m = re... | ### Prompt
Please formulate a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include<bits/stdc++.h>
#define ll long long
#define ld long double
#define pint pair<int,int>
#define mk(x,y) make_pair(x,y)
#define fir first
#define sec second
#define Rep(x,y,z) for(int x=y;x<=z;++x)
#define Red(x,y,z) for(int x=y;x>=z;--x)
using namespace std;
const int MAXN=605,Mod=1e9+7;
char buf[1<<12],*p1=buf,... | ### Prompt
Please provide a cpp coded solution to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include<stdio.h>
typedef long long ll;
const int mod=1000000007;
int mul(int a,int b){return(ll)a*b%mod;}
int p[610],c[610][610],f[610][610],g[610];
int main(){
int n,m,i,j,k,x,y,t,s;
bool flag;
scanf("%d%d",&n,&m);
for(i=1;i<=m;i++){
scanf("%d%d",&x,&y);
p[x]=y;
p[y]=x;
}
n<<=1;
g[0]=1;
for(i=2;i<=n;i+=... | ### Prompt
Please create a solution in cpp to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <bits/stdc++.h>
using namespace std;
const int N = 600;
const int mo = 1e9 + 7;
int n, m;
int dp[N + 5][N + 5];
int f[N + 5], lnk[N + 5];
int a[N + 5], b[N + 5], s[N + 5];
int main() {
scanf("%d%d", &n, &m);
for(int i = 1; i <= m; ++i) {
scanf("%d%d", a + i, b + i);
++ s[a[i]], ++ s[... | ### Prompt
Please formulate a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <bits/stdc++.h>
using namespace std;
#define int long long
const double PI = 3.14159265358979323846;
typedef vector<int> vint;
typedef pair<int, int> pint;
int dx[8] = {1, 0, -1, 0, 1, -1, -1, 1};
int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1};
int N,K;
int A[660],B[660];
int connected[660];
int f[660][660],g[660][... | ### Prompt
Your task is to create a cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 610, P = 1000000007;
int n, K, pos[maxn], sum[maxn], f[maxn][maxn], cnt[maxn];
int main() {
scanf("%d %d", &n, &K), n <<= 1;
for (int i = 1, a, b; i <= K; i++) {
scanf("%d %d", &a, &b);
pos[a] = b, pos[b] = a;
}
cnt[0] = 1;... | ### Prompt
Please create a solution in Cpp to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <bits/stdc++.h>
using namespace std;
const int MX = 605;
const int MD = 1000000007;
int mod_mult(int a, int b) {
return (a * 1LL * b) % MD;
}
int dp[MX][MX];
int g[MX];
pair<int, int> p[MX];
bool in(int L, int R, int x) {
return L <= x && x <= R;
}
int cnt[MX][MX];
bool taken[MX];
int main()
{
g[0] =... | ### Prompt
Please create a solution in Cpp to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <bits/stdc++.h>
#define rep(i, x, y) for (int i = x; i <= y; i++)
#define int long long
using namespace std;
const int N = 605, mod = 1e9 + 7;
int n, K, f[N][N], g[N], to[N], pre[N], ans;
int C2(int x) {
return 1ll * x * (x - 1) / 2 % mod;
}
int num(int l, int r) {
return pre[r] - pre[l - 1];
}
int... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include<cstdio>
const int MaxN=310,mod=1000000007;
int N,K,to[MaxN*2],pre[MaxN*2],f[MaxN*2][MaxN*2],fac[MaxN*2];
int main(){
scanf("%d%d",&N,&K);
for(int i=0,a,b;i<K;i++)scanf("%d%d",&a,&b),to[a]=b,to[b]=a;
for(int i=1;i<=N*2;i++)pre[i]=pre[i-1]+!to[i];
fac[0]=1;
for(int i=2;i<=N*2;i++)fac[i]=1ll*(i-1)*fac[i-2]%m... | ### Prompt
In CPP, your task is to solve the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting... |
#include <bits/stdc++.h>
using namespace std;
#define REP(i,n) for(ll (i) = (0);(i) < (n);++i)
#define REV(i,n) for(ll (i) = (n) - 1;(i) >= 0;--i)
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define FI first
#define SE second
#define SHOW1d(v,n) {REP(WW,n)cerr << v[WW] << ' ';cerr << endl << end... | ### Prompt
Please provide a CPP coded solution to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N=605,p=1000000007;
int read(){
int f=1,g=0;char ch=getchar();
for (;!isdigit(ch);ch=getchar()) if (ch=='-') f=-1;
for (;isdigit(ch);ch=getchar()) g=g*10+ch-'0';
return f*g;
}
int n,K,ans,a[N],s[N][N],f[N][N],g[N];
void check(int &x,int y)... | ### Prompt
Generate a Cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting th... |
#include<bits/stdc++.h>
using namespace std;
const int N=605,mod=1e9+7;
typedef long long ll;
ll dp[N][N],F[N];
int sum[N],p[N];
bool vis[N][N];
vector<int>v[N];
ll f(int x)
{
if(x<=1) return 1;
if(F[x]) return F[x];
return F[x]=x*f(x-2)%mod;
}
ll g(int x){if(x&1) return 0;return f(x-1);}
int main()
{
i... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> P;
typedef pair<int,P> P1;
typedef pair<P,P> P2;
#define pu push
#define pb push_back
#define mp make_pair
#define eps 1e-7
#define INF 1000000000
#define mod 1000000007
#define fi first
#define sc second
#define rep(i,x) for(int ... | ### Prompt
Please formulate a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <cstdio>
using namespace std;
const int mod = 1000000007;
int p[600];
long long c[601];
long long dp[600][601];
long long calc(int x, int y) {
int cnt = 0, i;
if (dp[x][y] >= 0) return dp[x][y];
if (y <= x) return dp[x][y] = 0;
if ((y - x) % 2 == 1) return dp[x][y] = 0;
for (i ... | ### Prompt
Develop a solution in Cpp to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <bits/stdc++.h>
using namespace std;
typedef signed long long ll;
#undef _P
#define _P(...) (void)printf(__VA_ARGS__)
#define FOR(x,to) for(x=0;x<(to);x++)
#define FORR(x,arr) for(auto& x:arr)
#define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++)
#define ALL(a) (a.begin()),(a.end())
#define ZER... | ### Prompt
Create a solution in Cpp for the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting ... |
#include<bits/stdc++.h>
#define fi first
#define se second
#ifdef CX_TEST
#define Debug printf
#else
#define Debug(...)
#endif
#define LL long long
using namespace std;
typedef pair<int, int> P;
const int maxn = 605;
const int mod = 1e9 + 7;
void add(int &x, int y) {
x += y;
if(x >= mod) x -= mod;
}
int mul(i... | ### Prompt
Your task is to create a CPP solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment... |
#include<iostream>
#include<cstdio>
using namespace std;const int mod=1000000007;
int pre[605],f[605][605],g[605],a[605];
inline int calc(int l,int r) {return (r-l+1)-(pre[r]-pre[l-1]);}
int main() {int n,kkk,u,v,ans=0;
scanf("%d%d",&n,&kkk),n<<=1;for (int i=1;i<=kkk;++i) {
scanf("%d%d",&u,&v),pre[a[u]=v]=pre[a[v]=u... | ### Prompt
Your task is to create a Cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment... |
#include <bits/stdc++.h>
#define rep(i,n) for ((i)=1;(i)<=(n);(i)++)
#define foreach(c,itr) for (__typeof((c).begin()) itr=(c).begin();itr!=(c).end();++itr)
using namespace std;
const int mod=1e9+7;
int n,m,i,j,lk[605],dp[605][605],f[605],cnt[605],ans;
int dfs(int l,int r){
if((cnt[r]-cnt[l-1])&1) return 0;
int i;
f... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#ifndef BZ
#pragma GCC optimize "Ofast"
#endif
#include <bits/stdc++.h>
using namespace std;
using ull = uint64_t;
using ll = int64_t;
using ld = long double;
const ll MOD = 1e9 + 7;
ll pw(ll a, ll b) {
if (!b) {
return 1;
}
ll v = pw(a, b / 2);
v = (v * v) % MOD;
if (b & 1) {
v ... | ### Prompt
Please create a solution in cpp to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include<bits/stdc++.h>
using namespace std;
const int N = 666;
const int mod = 1e9 + 7;
int f[N][N], g[N], s[N];
int n, K, to[N];
inline int A(int x, int y){
return x + y - (x + y >= mod ? mod : 0);
}
inline int M(int x, int y){
return 1LL * x * y % mod;
}
int main(){
cin>>n>>K;
n <<= 1;
int u, v;
for(int i = 1;... | ### Prompt
Please provide a cpp coded solution to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include <bits/stdc++.h>
using namespace std;
const int MX = 300, md = 1000000007;
int a[MX], b[MX], f[2 * MX], dp[2 * MX][2 * MX], freeCnt[2 * MX], n;
bool inside(int l, int r, int x) {
if (l <= r) return l <= x && x <= r;
return l <= x || x <= r;
}
int getFree(int l, int r) {
int h;
if (l <= r) h = freeCnt[r... | ### Prompt
Create a solution in Cpp for the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting ... |
#include <bits/stdc++.h>
using namespace std;
const int Maxn=605,mod=1e9+7;
int p[Maxn],g[Maxn],f[Maxn][Maxn],cnt[Maxn][Maxn];
int main(){
int n,k,ans=0;cin>>n>>k;
g[0]=1;
for(int i=2;i<=2*n;i+=2)g[i]=1ll*g[i-2]*(i-1)%mod;
for(int i=1;i<=k;i++){
int x,y;cin>>x>>y;
p[x]=y;p[y]=x;
}
... | ### Prompt
In cpp, your task is to solve the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting... |
#include<iostream>
#include<iomanip>
#include<cstring>
#include<cmath>
#include<cstdio>
#include<queue>
#include<algorithm>
using namespace std;
const int mod=1e9+7;
int n,k,h[605],sum[605];
long long g[605],dp[605][605];
int main()
{
scanf("%d%d",&n,&k);
for(int i=1;i<=k;i++)
{
int x,y;
scanf("%d%d",&x,&y);
h... | ### Prompt
Develop a solution in cpp to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<algorithm>
using namespace std;
const int mod=1000000007;
int dp[606][606];
int a[303],b[303];
int cnt[606];
int h[606];
int main()
{
int n,m,ans=0;
bool ok;
scanf("%d%d",&n,&m);
n<<=1;
memset(cnt,0,sizeof(cnt));
for(int i=1;i<=n;i++... | ### Prompt
Please create a solution in cpp to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;
typedef long long ll;
typedef vector<int> vi;
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define fi first
#define se second
#define rep(i,n) rep2(i,0,n)
#define rep2(i,m,n) for(int i=m;i<(n);i++)
#define ALL(c) (c).begin(... | ### Prompt
Generate a cpp solution to the following problem:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment connecting th... |
#include<cstdio>
#define N 606
#define p 1000000007
#define ll long long
int a[N],f[N][N],g[N],h[N],i,j,k,m,n;
int main()
{
scanf("%d%d",&n,&m),n<<=1;
for(*g=i=1;i<=n;i++)h[a[i]=i]=1;
for(i=1;i<=m;i++)scanf("%d%d",&j,&k),h[a[k]=j]=h[a[j]=k]=0;
for(i=2;i<=n;i+=2)g[i]=(ll)(i-1)*g[i-2]%p;
for(i=1;i<=n;... | ### Prompt
Develop a solution in cpp to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
#include <bits/stdc++.h>
using namespace std;
const int N=610;
const int M=1e9+7;
typedef long long ll;
int n,m,op[N],g[N],s[N];
bool empty[N];
int ans,f[N][N];
int main(){
scanf("%d%d",&n,&m);
n*=2;
for (int i=1; i<=n; ++i) empty[i]=1;
for (int i=1,x,y; i<=m; ++i){
scanf("%d%d",&x,&y);
op[x]=y;
op[y... | ### Prompt
Please provide a cpp coded solution to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line seg... |
#include<bits/stdc++.h>
using namespace std;
const int mod = 1000000007;
int mul(int a,int b){
return 1LL * a * b % mod;
}
int n, m, x, y, t, sum;
int p[610], c[610][610] ,f[610][610], g[610];
int main(){
bool flag;
cin >> n >> m;
for(int i = 1; i <= m; i++){
cin >> x >> y;
p[x] = y;
p[y] = x;
}
n <<= ... | ### Prompt
Develop a solution in CPP to the problem described below:
There are 2N points evenly spaced on the circumference of a circle. These points are numbered 1 to 2N in clockwise order, starting from some of them.
Snuke will divide these points into N pairs, then for each pair, he will draw a line segment conne... |
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