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#define _USE_MATH_DEFINES #define INF 0x3f3f3f3f #include <iostream> #include <cstdio> #include <sstream> #include <cmath> #include <cstdlib> #include <algorithm> #include <queue> #include <stack> #include <limits> #include <map> #include <string> #include <cstring> #include <set> #include <deque> #include <bitset> #i...
#include <stdio.h> #include <cmath> #include <algorithm> #include <cfloat> #include <stack> #include <queue> #include <vector> #include <string> #include <iostream> #include <set> #include <map> #include <time.h> typedef long long int ll; typedef unsigned long long int ull; #define BIG_NUM 2000000000 #define MOD 100000...
#include <algorithm> #include <cstdlib> #include <iostream> #include <vector> using namespace std; #define REP(i, a, b) for(int i = (a); i < int(b); ++i) #define rep(i, n) REP(i, 0, n) #define ALL(x) begin(x), end(x) int main() { cin.tie(nullptr); ios::sync_with_stdio(false); constexpr int NUM = 128; constexpr i...
#include <iostream> #include <vector> #include <string> #include <map> #include <algorithm> using namespace std; int main() { while ( true ) { string t; string line; while ( getline( cin, line ) && line.size() ) { t += line; } getline( cin, line ); if ( !line.size() ) break; string ...
#include<iostream> #include<map> #include<cstring> using namespace std; const int MAX = 51; string text, key; map<char,int> M; int numKey[MAX]; typedef long long ll; bool input(){ text = ""; string s = ""; if(!getline(cin,s)) return false; if(s == "") return false; text = s; while(getline(cin,s)&&s!="...
#include<cstdio> #include<string> #include<iostream> #define rep(i,n) for(int i=0;i<(n);i++) using namespace std; int main(){ while(1){ string s,tmp; while(1){ getline(cin,tmp); if(tmp=="") break; s+=tmp; } string a; getline(cin,a); getline(cin,tmp); if(a=="") break; int m=a.length(); bool...
#include <iostream> #include <string> #include <algorithm> using namespace std; string S,K; const int INF=1<<28; void solve(){ string ans; int len=INF, cnt=0; int left=INF; int idx[K.length()]; // fill(begin(idx), end(idx), 0); for(int i=0; i<K.length(); ++i)idx[i]=-1; for(int p=0; p<S.length(); ++p){ for(in...
//47 #include<iostream> #include<sstream> #include<string> #include<map> #include<algorithm> #include<set> using namespace std; int main(){ for(string si;getline(cin,si),si!="";){ string s; do{ s+=si; getline(cin,si); }while(si!=""); string k; getline(cin,k); cin.ignore(); ma...
#include <iostream> #include <sstream> #include <iomanip> #include <algorithm> #include <cmath> #include <string> #include <vector> #include <list> #include <queue> #include <stack> #include <set> #include <map> #include <bitset> #include <numeric> #include <climits> #include <cfloat> using namespace std; int main() {...
#include <iostream> #include <string> #include <algorithm> #include <vector> using namespace std; int main(){ string str, pat; vector<char> num; str.reserve(1000001); num.reserve(1000001); pat.reserve(73); ios::sync_with_stdio(false); cin.tie(0); while(true){ str.clear(); pat.clear(); while(true){...
#include <iostream> #include <algorithm> #include <cstring> #include <string> using namespace std; const int INF=1000000000; char chs[1001]; int main(){ bool fi=false; string str; while(getline(cin,str)&&str!=""){ memset(chs,0,sizeof(chs)); string ss; string tmp; if(fi)cou...
#define _USE_MATH_DEFINES #define INF 0x3f3f3f3f #include <iostream> #include <cstdio> #include <sstream> #include <cmath> #include <cstdlib> #include <algorithm> #include <queue> #include <stack> #include <limits> #include <map> #include <string> #include <cstring> #include <set> #include <deque> #include <bitset> #i...
#include<iostream> #include<string> #include<vector> #include<cstdio> #include<algorithm> using namespace std; bool check(int begin, int end, vector<vector<int> > &ind){ if(begin>end)return false; for(int i = 0; i < (int)ind.size(); ++i){ if(ind[i].size()==0)return false; vector<int>::iterator it_b = lowe...
#include <bits/stdc++.h> using namespace std; int main() { while(1) { string s="",t,r; getline(cin,s); if(s=="") break; while(1) { getline(cin,r); if(r=="") break; s+=r; } getline(cin,t); getline(cin,r); map<char,int> m,d; m.clear(); d.clear(); for(i...
#include<iostream> #include<string> using namespace std; int main() { string text,key,temp; for(;;) { text=key=""; while(getline(cin,text)&&text.empty()) ; if(cin.eof())return 0; while(getline(cin,temp)&&!temp.empty()) text+=temp; if(cin.eof())return 0; while(getline(cin,key)&&key.empty()) ; i...
/* 000000000011111111112222222222333333333344444444 012345678901234567890123456789012345678901234567 TfefirstemampleistrivivlTfefirstemampleistrifivl . . . len = 18 sp = 3 len = 15 sp = 11 len = 12 sp = 22 len = 12 sp = 35 mfv 000000000011111111112222222222 01234567890123456...
#include <bits/stdc++.h> using namespace std; #define int long long #define all(v) begin(v), end(v) #define rep(i, n) for(int i = 0; i < (int)(n); i++) #define reps(i, s, n) for(int i = (int)(s); i < (int)(n); i++) #define min(...) min({__VA_ARGS__}) #define max(...) max({__VA_ARGS__}) template<class T1, class T2> v...
#include<iostream> #include<string> #include<vector> using namespace std; #define rep(i, n) for ( int i = 0; i < (int)n; i++) bool T[256]; int P[256]; vector<string> compute(string text, string key){ vector<string> ans; int k = key.size(); rep(i, 256) P[i] = -1; int l = text.size(); int r = -1; ...
#include <iostream> #include <vector> #include <algorithm> using namespace std; int main(){ int n,m; cin >> n >> m; vector<int> after(n+2, 0); for(int i=0; i<m; i++){ int c,d; cin >> c >> d; after[c] = max(after[c], d); } int ans = 0; int farthest = 0; for(int i=0; i<=n; i++){ farthest = max(farthest, ...
#include <cstdio> int N, M; int imos[1010]; int main() { scanf("%d%d", &N, &M); for(int i=0; i<M; i++) { int l, r; scanf("%d%d", &l, &r); imos[l]++; imos[r]--; } for(int i=1; i<=N; i++) { imos[i] += imos[i-1]; } int prev = -1, ans = N + 1; for(int i=1; i<=N+...
#include <iostream> #include <algorithm> #include <vector> #define phb push_back #define mkp make_pair #define frs first #define scn second #define sz(x) int((x).size()) #define all(x) (x).begin(), (x).end() using namespace std; typedef pair< int, int > Pr; int N, M; vector< Pr > C; void read(); void solve(); bool...
#include <iostream> #include <sstream> #include <cstdio> #include <cstring> #include <cstdlib> #include <cmath> #include <ctime> #include <vector> #include <string> #include <map> #include <set> #include <deque> #include <queue> #include <stack> #include <functional> #include <algorithm> using namespace std; #define ...
#include <iostream> #include <vector> #include <algorithm> #include <map> #include <queue> #include <cstdio> #include <ctime> #include <assert.h> #include <chrono> #include <random> #include <numeric> #include <set> #include <deque> #include <stack> #include <bitset> using namespace std; typedef long long int ll; typed...
#include <iostream> #include <vector> #include <algorithm> using namespace std; int dfs(int n, vector<vector<int> >& adj){ if((int)adj[n].size() == 0) return n; int ret=0; for(int i=0; i<(int)adj[n].size(); i++){ ret = max(ret, dfs(adj[n][i], adj)); } adj[n].clear(); return ret; } int main(){ int n,m; cin >...
#include<bits/stdc++.h> using namespace std; typedef pair<int,int> pii; int main(){ int n,m; cin >> n >> m; vector<pii> r(m); for(int i=0;i<m;i++)cin >> r[i].first >> r[i].second; sort(r.begin(),r.end()); int s=-1,t=-1,sum=0; for(int i=0;i<m;i++){ if(r[i].first<=t){ t = max(t, r[i].second); ...
#include<iostream> #include<string> #include<vector> #include<queue> #include<stack> #include<map> #include<set> #include<algorithm> #include<functional> #include<cstdio> #include<cstdlib> #include<cmath> #include<cassert> #include<ctime> using namespace std; #define mind(a,b) (a>b?b:a) #define maxd(a,b) (a>b?a:b) #de...
#include <iostream> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <map> #include <set> #include <vector> #include <stack> #include <queue> #include <bitset> #include <algorithm> #include <numeric> #include <functional> using namespace std; #define Rep(b, e, i) for(int i = b; i <= e;...
#include "bits/stdc++.h" #define REP(i,n) for(ll i=0;i<n;++i) #define RREP(i,n) for(ll i=n-1;i>=0;--i) #define FOR(i,m,n) for(ll i=m;i<n;++i) #define RFOR(i,m,n) for(ll i=n-1;i>=m;--i) #define ALL(v) (v).begin(),(v).end() #define PB(a) push_back(a) #define UNIQUE(v) v.erase(unique(ALL(v)),v.end()); #define DUMP(v) REP...
#include <iostream> #include <vector> using namespace std; int main() { int N, m; cin >> N >> m; vector<bool> b(N); for (int i = 0; i < m; ++ i) { int c, d; cin >> c >> d; -- c; -- d; for (int j = c; j < d; ++ j) { b[j] = true; } } int r = N+1; for (int i = 0; i < N; ++ i) if (b[i]) r += 2; cout <<...
#include <iostream> using namespace std; int main() { int n,d,flg[1002]={}; cin >> n >> d; for(int i=0;i<d;i++) { int a,b; cin >>a>>b; flg[a] = max(flg[a],b); } int sta=0,sum=0,L=0,R=0; for(int i=0;i<=n;i++) { if(flg[i] != 0 && sta==1) R=max(R,flg[i]); else if(flg[i] != 0) L=i,R=flg[...
#include <cstdio> #include <cmath> #include <cstring> #include <iostream> #include <algorithm> #include <queue> #include <vector> #include <map> using namespace std; typedef long long LL; int n,m,x,y; vector<int> v[1005]; int a[1005]; int ans,dq,len,nxt; int main() { scanf("%d%d",&n,&m); for (int i=...
#include <iostream> #include <algorithm> using namespace std; struct ioi{ int l,r; } seg[510]; int n, m; bool intersect(ioi a,ioi b){ if (a.l>b.l) swap(a,b); if (b.l<=a.r) return true; else return false; } ioi combine(ioi a,ioi b){ a.l = min(a.l, b.l); a.r = max(a.r, b.r); return a; } int main(){ cin >> ...
#define D(x) cout << #x " = " << x << endl #define DD(x, y) cout << "(" #x ", " #y ") = (" << x << ", " << y << ")" << endl #define DDD(x, y, z) cout << "(" #x ", " #y ", " #z ") = (" << x << ", " << y << ", " << z << ")" << endl #define DV(v) for (auto __macro_vi : v){ cout << __macro_vi << " ";} cout << endl; #define...
#include <cstdio> using namespace std; int s[1010][2],n,m,ans; int f[1010]; int min(int a,int b){ return a<b?a:b; } int main(){ scanf("%d%d",&n,&m); for(int i=0;i<m;i++){ scanf("%d%d",&s[i][0],&s[i][1]); //s[i][0]--;]s[i][1]--; } for(int i=0;i<m;i++){ for(int j=i+1;j<m;j++){ if(s[j][1]<s[i][1]||(s[j][1]=...
#include <cstdio> int main(){ int n,m; int sum[1010] ={}; scanf("%d%d",&n,&m); for(int i=0;i<m;i++){ int a,b; scanf("%d%d",&a,&b); sum[a-1]++; sum[b-1]--; } int ans=0; for(int i=0;i<n;i++){ sum[i+1] += sum[i]; ans += !!sum[i] * 2; } printf("%d\n",ans+(n+1)); return 0; }
#include <iostream> #include <vector> #include <algorithm> using namespace std; typedef pair<int,int> P; P t[1002]; int main() { int n, m; while (cin >> n >> m) { for (int i = 0; i < m; i++) { cin >> t[i].first >> t[i].second; } sort(t, t + m); vector<P> v; for (int i = 0; i < m; i++...
#include <bits/stdc++.h> using namespace std; typedef vector<int> vec; int main () { int N, m; cin >> N >> m; vec c(m), d(m); for (int i = 0; i < m; i++) { cin >> c[i] >> d[i]; } vec h(N + 1); for (int i = 0; i < m; i++) { if (c[i] < d[i]) { for (int j = c[i] + 1; ...
#include <bits/stdc++.h> using namespace std; int main(void){ int n,m; cin>>n>>m; vector<int> s(n+1,0); for(int i=0;i<m;i++){ int a,b; cin>>a>>b; s[a]++; s[b]--; } partial_sum(s.begin(),s.end(),s.begin()); cout<< n+1+ (n+1-count(s.begin(),s.end(),0))*2 <<endl; }
// Author : // Date : // Problem: // Solution: // Comment: #include <iostream> #include <cstdio> #include <algorithm> #include <vector> #include <queue> #include <stack> #include <map> #include <set> #include <cmath> #include <cstring> #define pp push #define pb push_back #define mp make_pair #define xx first #define...
#include <bits/stdc++.h> using namespace std; int main(){ cin.tie(0); ios::sync_with_stdio(false); int N,m; cin >> N >> m; vector<pair<int,int>> pos; for (int i=0;i<m;++i){ int c,d; cin >> c >> d; pos.emplace_back(c,d); } pos.emplace_back(N+1,N+1); sort(pos.begin(),pos.e...
// // Created by 拓真 on 2018/06/24. // #include "bits/stdc++.h" using namespace std; int x[11234]; int main(){ int n,m; cin>>n>>m; for(int i=0;i<n;i++)x[i]=1; for(int i=0;i<m;i++){ int c,d; cin>>c>>d; for(int j=c;j<d;j++){ x[j]=3; } } int ans=0; ...
#include<bits/stdc++.h> using namespace std; int main(){ int n,m; cin>>n>>m; vector<int> pos(n+1,1); for(int i=0;i<m;i++){ int c,d; cin>>c>>d; for(int j=c;j<d;j++) pos[j]=3; } cout<<accumulate(pos.begin(),pos.end(),0)<<endl; return 0; }
#include <iostream> using namespace std; int main() { long long int n, m; cin >> n >> m; long long int v[1001] = {}; for ( long long int i = 0; i < m; i++ ) { long long int in_c, in_d; cin >> in_c >> in_d; v[ in_c ]++; v[ in_d ]--; } for ( long long int i = 1; i <= n; i++ ) { v[i...
#include<bits/stdc++.h> #define pb emplace_back #define xx first #define yy second using namespace std; typedef pair<int, int>pi; vector<pi>vec; bool vis[1003]; int main() { int n, m, x, y; while(scanf("%d %d", &n, &m)==2) { vec.clear(); for(int i=0; i<m; i++) { scanf("%d...
#include <iostream> #include <vector> #include <algorithm> using namespace std; int main() { int n, m, answer = 0; cin >> n >> m; bool flag = 0; int start_point; vector<int> shop_gap(n + 1, 0); for (int i = 0; i < m; i++) { int c, d; cin >> c >> d; for (int j = c; j ...
#include<iostream> #include<algorithm> #include<cstdio> #include<cmath> #include<cctype> #include<math.h> #include<string> #include<string.h> #include<stack> #include<queue> #include<vector> #include<utility> #include<set> #include<map> #include<stdlib.h> #include<iomanip> using namespace std; #define ll long long #d...
#include <algorithm> #include <bitset> #include <cstdio> #include <cassert> #include <cmath> #include <functional> #include <iostream> #include <map> #include <queue> #include <set> #include <tuple> #include <utility> #include <vector> using namespace std; typedef long long LL; typedef pair<int, int> P; typedef pair<L...
#include <iostream> #include <vector> #include <algorithm> #include <string> #include <set> #include <map> #define f first #define s second using namespace std; int n,m; int main(){ cin >> n >> m; vector<int> vec(n+2,0); for(int i = 0;i < m;i++){ int f,t; cin >> t >> f; vec[t]++; vec[f]--; } for(int...
#include <bits/stdc++.h> using namespace std; #define fi first #define se second #define repl(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define rep(i,n) repl(i,0,n) #define each(itr,v) for(auto itr:v) #define pb(s) push_back(s) #define mp(a,b) make_pair(a,b) #define all(x) (x).begin(),(x).end() #define dbg(x) cout<<#x...
#include <bits/stdc++.h> #define ll long long using namespace std; int main() { int n, m; cin >> n >> m; vector<bool> shop(n + 1, false); for (int i = 0; i < m; i++) { int c, d; cin >> c >> d; for (int j = c; j < d; j++) shop[j] = true; } int ans = 0; for (int i = 0;...
#include <iostream> #include <complex> #include <sstream> #include <string> #include <algorithm> #include <deque> #include <list> #include <map> #include <numeric> #include <queue> #include <vector> #include <set> #include <limits> #include <cstdio> #include <cctype> #include <cmath> #include <cstring> #include <cstdli...
//#include<bits/stdc++.h> #include<iostream> #include<iomanip> #include<cmath> #include<cstdlib> #include<cstring> #include<string> #include<algorithm> #include<vector> #include<queue> #include<stack> #include<map> #include<numeric> #include<bitset> #include<limits> #include<unordered_map> #include<functional> using na...
#include <iostream> using namespace std; int main() { int n, m, i, f[1002] = {0}; cin >> n >> m; for (i = 0; i < m; i++) { int c, d; cin >> c >> d; f[c]++; f[d]--; } int ans = n + 1; for (i = 1; i < n + 2; i++) { f[i] += f[i - 1]; if (f[i]) ans += 2; } cout << ans << endl; return 0; }
#define _CRT_SECURE_NO_WARNINGS #include "bits/stdc++.h" using namespace std; //#define int int64_t #define CHOOSE(a) CHOOSE2 a #define CHOOSE2(a0,a1,a2,a3,x,...) x #define REP1(i, s, cond, cal) for (signed i = signed(s); i cond; i cal) #define REP2(i, s, n) REP1(i, s, < signed(n), ++) #define REP3(i, n) REP2(i, 0, n...
#define _USE_MATH_DEFINES #include <cstdio> #include <cstdlib> #include <iostream> #include <cmath> #include <algorithm> #include <vector> #include <queue> #include <stack> #include <map> using namespace std; typedef pair<long long int, long long int> P; long long int INF = 1e18; int DP[2000] = {}; int main(){ ...
#include <bits/stdc++.h> using namespace std; int main(){ vector<pair<int, int>> cd; int N, m, c, d; cin >> N >> m; int ans = N + 1; for(int i = 0; i < m; ++i){ cin >> c >> d; cd.push_back({c, d}); } sort(cd.begin(), cd.end()); int start = 0, end = 0; for(int i = 0; ...
#include <bits/stdc++.h> #define REP(i, n) for (int i = 0; i < (int)(n); i++) using namespace std; int main() { int n, m; cin >> n >> m; vector<int> imos(n + 2, 0); REP(i, m) { int c, d; cin >> c >> d; imos[c]++; imos[d]--; } REP(i, n + 1) imos[i + 1] += imos[i]; int ans = n + 1; REP(i,...
#include <cstdio> #include <cstring> #include <string> #include <cmath> #include <iostream> #include <algorithm> #include <stack> #include <queue> #include <vector> #include <set> #include <map> #include <bitset> using namespace std; #define repl(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define rep(i,n) repl(i,0,n) #...
#include <stdio.h> #include <cctype> #include <limits.h> #include <math.h> #include <complex> #include <bitset> #include <vector> #include <map> #include <set> #include <stack> #include <queue> #include <cstring> #include <string> #include <sstream> #include <algorithm> #include <iomanip> #include <iostream> #define V...
#define __USE_MINGW_ANSI_STDIO 0 #include <bits/stdc++.h> using namespace std; using ll = long long; #define int ll using VI = vector<int>; using VVI = vector<VI>; using PII = pair<int, int>; #define FOR(i, a, n) for (ll i = (ll)a; i < (ll)n; ++i) #define REP(i, n) FOR(i, 0, n) #define ALL(x) x.begin(), x.end() #defi...
#include <bits/stdc++.h> using namespace std; #define LOG(...) fprintf(stderr, __VA_ARGS__) //#define LOG(...) #define FOR(i, a, b) for(int i=(int)(a); i<(int)(b); ++i) #define REP(i, n) for(int i=0; i<(int)(n); ++i) #define ALL(a) (a).begin(), (a).end() #define RALL(a) (a).rbegin(), (a).rend() #define EXIST(s, e) ((...
#include <bits/stdc++.h> using namespace std; int main() { long long int N , M , ans = 0; cin >> N >> M; vector<int>data((N + 2)*2); for(size_t i = 0; i < M; i++) { int a , b; cin >> a >> b; if(b > a) { data[a*2]++; data[b*2+1]--; } } for(size_t i = 1; i < (N + 2)*2; i++) { data[i] += data[i...
#include <bits/stdc++.h> using namespace std; #define for_(i,a,b) for(int i=a;i<b;++i) #define allof(a) a.begin(),a.end() typedef pair< int, int > pii; int N, m; int main() { cin >> N >> m; vector< pii > vp; for_(i,0,m) { int c, d; cin >> c >> d; vp.push_back(pii(c,d)); } sort(allof(vp)); vector< pi...
#include <bits/stdc++.h> using namespace std; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); constexpr int MAX_N = 1000; int n, m; cin >> n >> m; bitset<MAX_N> back; for(int i = 0; i < m; ++i) { int c, d; cin >> c >> d; if(c > d) continue; for(int j = c; j < d; ++j) { back[j] = true...
#include <bits/stdc++.h> using namespace std; typedef long long LL; typedef pair<int, int> PII; int main() { for (int n, m; scanf("%d%d", &n, &m) == 2; ) { vector<int> a(n + 1, 0); for (int i = 0; i < m; ++ i) { int u, v; scanf("%d%d", &u, &v); a[u] ++; a[v] --; } int ret(0); for (int...
#include<bits/stdc++.h> using namespace std; vector<int> G[1111]; int N,M; int main(){ cin >> N >> M; for(int i=0;i<M;i++){ int c,d; cin >> c >> d; if( c < d ) G[c].push_back(d); } int res = 0; for(int i=1;i<=N+1;i++){ int rmax = i; if( G[i].empty() ){ res ++; continue; } f...
#include "bits/stdc++.h" using namespace std; typedef long long ll; typedef pair<int, int> P; typedef vector<int> VI; typedef vector<VI> VVI; const double PI = 3.14159265358979323846; const double EPS = 1e-12; const int INF = numeric_limits<int>::max() / 2; const int NEG_INF = numeric_limits<int>::min() / 2; const in...
#include <iostream> #include <algorithm> #include <vector> #include <utility> using namespace std; int main() { int N, M; cin >> N >> M; vector<pair<int,int>> V(M); for(int i = 0; i < M; ++i) { cin >> V[i].first >> V[i].second; } sort(V.begin(), V.end()); int ans = N - 1 + 2; int index = 0; while(i...
#include<iostream> using namespace std; int n, q, a, b; int x[100000], sum; int main() { cin >> n >> q; for (int i = 0; i < q; i++) { cin >> a >> b; for (int j = a; j < b; j++) { x[j] = 1; } } for (int i = 0; i < n; i++) { sum += 1 + x[i] * 2; } cout << sum + 1 << endl; return 0; }
#include <algorithm> #include <iostream> #include <cstring> #include <cstdlib> #include <utility> #include <cstdio> #define C first #define D second #define MAXN 1100 using namespace std; typedef pair<int,int> pii; pii res[MAXN]; int add[MAXN]; bool cmp (const pii &a,const pii &b) { return a.C<b.C; } ...
#include <bits/stdc++.h> using namespace std; #define rep(i,x,y) for(int i=(x);i<(y);++i) #define debug(x) #x << "=" << (x) #ifdef DEBUG #define _GLIBCXX_DEBUG #define print(x) std::cerr << debug(x) << " (L:" << __LINE__ << ")" << std::endl #else #define print(x) #endif const int inf=1e9; const int64_t inf64=1e18; c...
#include <bits/stdc++.h> using namespace std; int n, m; int a[1000]; int main() { scanf("%d %d", &n, &m); for (int i = 0; i < m; i++){ int c, d; scanf("%d %d", &c, &d); --c, --d; for (int i = c; i < d; i++){ a[i] = 1; } } int res = 0; for (int i = 0; i < n; i++){ if (a[i]) res += 3; else res++...
#include <algorithm> #include <functional> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <string> #include <sstream> #include <iostream> #include <iomanip> #include <vector> #include <list> #include <stack> #include <queue> #include <map> #include <set> #include <bitset> #include <cl...
#include <iostream> #include <vector> #include <cstring> #include <string> #include <algorithm> #include <iomanip> #include <cmath> #include <cassert> using namespace std; typedef pair<int, int> P; const int INF = 1 << 28; int dp[510][1010]; int main() { cin.tie(0); ios::sync_with_stdio(false); int N, M; while(c...
#include<iostream> #include<algorithm> using namespace std; int n,t[1010]; int c[1010],d[1010]; int main() { int m; cin>>n>>m; for(int i=0;i<m;i++) { int l,r;cin>>l>>r; t[l]++;t[r]--; } for(int i=1;i<=n;i++)t[i]+=t[i-1]; int ans=n+1; for(int i=1;i<=n;i++)ans+=!!t[i]*2; cout<<ans<<endl; }
#include <bits/stdc++.h> using namespace std; int N, m; int main() { cin >> N >> m; typedef pair< int, int > pii; set< pii > interval; for (int i=0; i<m; ++i) { int c, d; cin >> c >> d; // left side auto it = interval.lower_bound(pii(c, 0)); if (it != interval.begin()) { --it; if (c <= (*it...
#include <iostream> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <map> #include <set> #include <vector> #include <stack> #include <queue> #include <bitset> #include <algorithm> #include <numeric> #include <functional> using namespace std; #define Rep(b, e, i) for(int i = b; i <= e;...
#include <iostream> #include <vector> using namespace std; int main(void){ int n, m; cin >> n >> m; vector<int> s(n+2, 0); for (int i = 0; i < m; i++) { int a, b; cin >> a >> b; s[a]++; s[b]--; } for (int i = 0; i < n+2; i++) s[i+1] += s[i]; int l = 0, ...
#include <bits/stdc++.h> using namespace std; #define F first #define S second typedef pair<int,int> P; int main() { int n,m; cin >> n >> m; map<int,int> ma; for(int i=0; i<m; i++) { int x,y; cin >> x >> y; if(ma.count(y)) ma[y]=min(ma[y],x); else ma[y]=x; } ma[0]=0; vector<P> a; for(ma...
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i=0;i<(int)(n);++i) #define mp make_pair #define pb push_back #define F first #define S second #define endl '\n' #define ALL(a) (a).begin(),(a).end() #define SZ(a) (int)((a).size()) typedef long long ll; typedef pair<int,int> PI; int main(int argc,...
#include <algorithm> #include <cmath> #include <climits> #include <cstdio> #include <cstdlib> #include <cstring> #include <fstream> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <vector> #include <cassert> #include <func...
#include<bits/stdc++.h> #define REP(i,s,n) for(int i=s;i<n;i++) #define rep(i,n) REP(i,0,n) using namespace std; typedef pair<int,int> ii; int N,m,par[1010]; int find(int x) { if( x == par[x] ) return x; return par[x] = find(par[x]); } void unit(int x,int y) { x = find(x), y = find(y); if( x != y ) par[x...
#include <iostream> #include <vector> #include <cstring> using namespace std; void solve() { cin.tie(0); ios::sync_with_stdio(false); bool needToMoveThreeTimes[1001]; memset(needToMoveThreeTimes, 0, sizeof(needToMoveThreeTimes)); int N, m; cin >> N >> m; for (int i = 0; i < m; ++i) { int c, d; cin >> c >...
#include <bits/stdc++.h> using namespace std; int main() { int N, m; cin >> N >> m; vector<int> F(N+1, 1); for(int i = 0; i < m; ++i) { int c, d; cin >> c >> d; for(int j = c; j < d; ++j) F[j] = 3; } cout << accumulate(F.begin(), F.end(), 0) << endl; return 0; }
// ACM-ICPCアジア地区予選2014 C. Shopping #include <iostream> #include <vector> #include <algorithm> using namespace std; int main(){ int N, m; while(cin >> N >> m){ vector< pair<int,int> > p(m); for(int i=0;i<m;i++) cin >> p[i].first >> p[i].second; sort(p.begin(), p.end()); int idx = 0; int res = N+1; while...
#include<bits/stdc++.h> using namespace std; int n,m,a,b,ans=1; int c[1001]; int main(){ scanf("%d %d",&n,&m); for(int i=0;i<m;i++){ scanf("%d %d",&a,&b); c[a]++; c[b]--; } for(int i=1;i<=n;i++){ c[i]+=c[i-1]; ans+=(c[i]?3:1); } printf("%d\n",ans); return 0; }
#include<iostream> #include<vector> #include<algorithm> #define f first #define s second #define inf 1000000001 using namespace std; int main() { int N,m,c,d; vector<pair<int,int> > V; cin>>N>>m; for(int i=0;i<m;i++){ cin>>c>>d; V.push_back(make_pair(c,d)); } sort(V.begin(),V.end()); V.push_b...
#include <algorithm> #include <iostream> #include <vector> #define push push_back #define sz size() #define s second #define f first using namespace std; typedef pair<int,int> P; int main(){ int N,m,c,d,ans=0; vector<int> v2; vector<P> v; cin>>N>>m; for(int i=0;i<m;i++) cin>>c>>d,v.push(make_pair(c,d)); so...
// 基本テンプレート #include <iostream> #include <iomanip> #include <cstdio> #include <string> #include <cstring> #include <deque> #include <list> #include <queue> #include <stack> #include <vector> #include <utility> #include <algorithm> #include <map> #include <set> #include <complex> #include <cmath> #include <limits> #in...
#include<iostream> #include<vector> #include<utility> #include<algorithm> using namespace std; int main(int argc, char *argv[]) { int n, m; cin >> n >> m; vector<pair<int,int>> cds; for(int i = 0; i < m; i++) { int c, d; cin >> c >> d; cds.push_back(make_pair(c,d)); // visits c after d (> c) } s...
#include "bits/stdc++.h" using namespace std; int main() { cin.tie(0); ios::sync_with_stdio(false); int n, m; cin >> n >> m; vector<int> imos(n + 10,0); for (int i = 0; i < m; i++) { int c, d; cin >> c >> d; if (c < d) { imos[c]++; imos[d]--; } } for (int i = 0; i < n; i++) { imos[i + 1] += imos...
#include <bits/stdc++.h> using namespace std; int main() { int N, m; cin >> N >> m; vector<int> st(N + 2); for (int i = 0, c, d; i < m; i++) { cin >> c >> d; st[c]++; st[d]--; } int res = N + 1; for (int i = 1; i <= N; i++) { st[i] += st[i - 1]; if (st[i]) { res += 2; } } cout << res << endl; ...
#include <bits/stdc++.h> #define ALL(a) (a).begin(), (a).end() #define llong long long using namespace std; signed main(){ int n,m; cin >> n >> m; vector<pair<int, int> > b(m); for(int i = 0; i < m; i++)cin >> b[i].first >> b[i].second; sort(ALL(b)); vector<int> a(n+1,0); for(auto e : b){ a[e.first] += 1; ...
#include <iostream> #include <algorithm> #include <vector> #include <string> using namespace std; using lint = long long; using ldouble = long double; int main() { int n, m; cin >> n >> m; vector<pair<int, int>> ps(m); for (auto& p : ps) cin >> p.first >> p.second; ps.emplace_back(n + 1, n + 1);...
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i,n) for(long long i=0; i<(n); i++) template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } in...
#include "iostream" #include "climits" #include "list" #include "queue" #include "stack" #include "set" #include "functional" #include "algorithm" #include "string" #include "map" #include "unordered_map" #include "unordered_set" #include "iomanip" #include "cmath" #include "random" #include "bitset" #include "cstdio" ...
#define _USE_MATH_DEFINES #define rep(i, n) for(int i = 0; i < n; i++) #define repx(i, a, n) for(int i = a; i < n; i++) #define loop while(1) #define lli long long int #include <iostream> #include <algorithm> #include <cmath> #include <numeric> #include <string> #include <vector> #include <stack> #include <queu...
#include<iostream> #include<vector> #include<string> #include<algorithm> #include<map> #include<set> #include<utility> #include<cmath> #include<cstring> #include<queue> #include<stack> #include<cstdio> #include<sstream> #include<iomanip> #define loop(i,a,b) for(int i=a;i<b;i++) #define rep(i,a) loop(i,0,a) #define pb...
#include<iostream> #include<vector> using namespace std; int main(){ int n, m; std::cin >> n >> m; vector<bool> visit(n + 1, false); for (int i = 0; i < m; i++) { int l, r; std::cin >> l >> r; for (int j = l; j < r; j++) { visit[j] = true; } } int ans = n + 1; for (int i = 0; i < vi...
#include <bits/stdc++.h> using namespace std; int main() { int N, m; scanf("%d %d", &N, &m); int s[1024] = {0}; for (int i = 0; i < m; i++){ int a, b; scanf("%d %d", &a, &b); s[a]++; s[b]--; } int ans = 0; for (int i = 0; i <= N;){ ...