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Project_CodeNet
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#include <algorithm> #include <array> #include <bitset> #include <complex> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <set> #include <stack> #include <unordered_map> #include <unordered_set> #include <queue> using namespace std; struct BoolName : numpunct<c...
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#include<iostream> #define loop(i,a,b) for(int i=a;i<b;i++) #define rep(i,a) loop(i,0,a) using namespace std; long long max(long long a,long long b){ return (a>=b)?a:b; } int main(){ long long n,k; cin>>n>>k; long long sum=(k==0)?(n-1)*n/2:(n-k+1)*(n-k)/2; for(long long b=1;b<=n;b++){ long long cnt=(n-b+1)/b,a...
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Project_CodeNet
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#include <bits/stdc++.h> #include <string> #include <vector> #define rep(i,n) for (int i = 0;i < (n); ++i) using namespace std; using ll = long long; using P = pair<int,int>; int INF = 1e9; int main(){ int n,k;cin >> n >> k; ll ans = 0; for(int b = 1;b <= n;b++){ int m = n/b; int r = n%b; ...
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Project_CodeNet
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#include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> //required #include <ext/pb_ds/tree_policy.hpp> //required using namespace __gnu_pbds; using namespace std; template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; // find_by_order(k) r...
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//Dragon_warrior7(IITK) #pragma GCC optimize ("Ofast") #pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #pragma GCC optimize ("-ffloat-store") #include <bits/stdc++.h> // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> using namespace std; //using namespace...
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Project_CodeNet
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// 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...
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Project_CodeNet
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#include<iostream> #include<vector> #include<algorithm> #include<string> #include<queue> #include<cstdio> #include<cmath> using namespace std; #define int long long #define rep(i,n) for(int i=0;i<n;++i) #define rep1(i,n) for(int i=1;i<=n;++i) #define ALL(x) x.begin(),x.end() int MOD=1000000007; signed main(){ int n...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; using ll=long long; using ld=long double; const ll MOD=1000000007; ll abs1(ll a){ if(a>=0)return a; else return -a; } ll gcd1(ll a,ll b){ if(a==0 && b==0)return 0; ll n; while(a%b!=0){ n=a%b; a=b; b=n; } return b; } ll solveLinear(ll n,ll m,ll c...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i, n) for (ll i = 0; i < (ll)n; ++i) static const int dx[4] = { 0, 1, 0, -1 }; static const int dy[4] = { 1, 0, -1, 0 }; static const char dir[4] = { 'u', 'r', 'd', 'l' }; static const ll INF = 1 << 21; static const ll MOD = 1e9 + 7; ll N, ...
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Project_CodeNet
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#include <vector> #include <list> #include <map> #include <set> #include <deque> #include <queue> #include <stack> #include <bitset> #include <algorithm> #include <functional> #include <numeric> #include <utility> #include <sstream> #include <iostream> #include <iomanip> #include <cstdio> #include <cmat...
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Project_CodeNet
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#include<bits/stdc++.h> #define rep(i,n) for(int i=0;i<(int)n;i++) #define all(c) (c).begin(),(c).end() #define pb push_back #define dbg(...) do{cerr<<__LINE__<<": ";dbgprint(#__VA_ARGS__, __VA_ARGS__);}while(0); using namespace std; namespace std{template<class S,class T>struct hash<pair<S,T>>{size_t operator()(cons...
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Project_CodeNet
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#include<iostream> #include<cstdio> using namespace std; long long n,k,m,ans; int main() { cin>>n>>k; if (k==0) { cout<<(long long)n*n<<endl; return 0; } for (int i=k+1;i<=n;i++) { m=n/i; ans+=(long long)(i-k)*m; ans+=max(n%i-k+1,0ll); } cout<<an...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main() { long N, K; cin >>N >>K; if (0==K) { cout <<N*N <<endl; return 0; } long S=0; for (long b=N; b>=K+1; b--) { /* for (long c=K; c<b; c++) S +=(N+b-c)/b; */ S += (N/b)*(b-K); if (N%b>=K) S += (N%b)-K+1; } cout <<S <<endl; return 0; };
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Project_CodeNet
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#include<iostream> #include<cstdio> using namespace std; int main() { int n,k; cin>>n>>k; long long sum=0; for(int b=k+1;b<=n;b++) { int s1=n%b-k<0?0:n%b-k+1; sum+=(n/b)*(b-k)+s1; } if(k==0)sum-=n; cout<<sum<<endl; return 0; }
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Project_CodeNet
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#include<bits/stdc++.h> #define ALL(c) (c).begin(),(c).end() #define EACH(i,c) for(auto i=(c).begin();i!=(c).end();++i) using namespace std; #define int long long signed main(){ int N, K; cin >> N >> K; if (K == 0) { cout << N * N << endl; return 0; } int res = 0; for(int b = K + 1; b <= N; ++b) { res += (...
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Project_CodeNet
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#include <iostream> #include <string> #include <cstring> #include <cstdio> #include <algorithm> #include <vector> #include <set> #include <map> #include <queue> #include <stack> #include <numeric> #include <regex> #include <climits> #define FOR(i, f, n) for(int (i) = (f); (i) < (n); (i)++) #define RFOR(i, f, n) for(in...
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// Created by conan1024hao in 2019. // Copyright © 2019 conan1024hao. All rights reserved. // 専用ライブラリです、自由にコピーして構いません。 // 感谢看我的代码!Wechat:conan1024hao QQ:810396815 #pragma GCC optimize ("O3") #include <iostream> #include <iomanip> #include <istream> #include <ostream> #include <sstream> #include <iterator> #include ...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define MAXN 200009 #define MAXM 320 #define MOD 1000000007 #define INF 1000000009 #define FOR(x,n) for(int x=0; x<n; x++) #define FOR1e(x,n) for(int x=1; x<=n; x++) #define pb push_back typedef pair<int, int> ii; typedef long long ll; int main() { int n, k; cin >> n >> ...
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Project_CodeNet
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#include <bits/stdc++.h> typedef long long ll; using namespace std; // 1 <= a <= n // 1 <= b <= n // a % b >= K // a - [a / b] * b >= K // b // [a / b] // min(n, [a / b] * b + K) <= a < min(n, ([a / b] + 1) * b) ll n, k, ans; int main() { scanf("%lld%lld", &n, &k); if (k == 0) ans = n * n; else { f...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; using VS = vector<string>; using LL = long long; using VI = vector<int>; using VVI = vector<VI>; using PII = pair<int, int>; using PLL = pair<LL, LL>; using VL = vector<LL>; using VVL = vector<VL>; #define ALL(a) begin((a)),end((a)) #define RALL(a) (a)....
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Project_CodeNet
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#include<iostream> #include<cstdio> #include<algorithm> #include<vector> #include<list> #include<string> #include<unordered_map> #include<set> #include<limits.h> #include<string.h> #include<functional> #include<map> #include<unordered_set> #define int long long using namespace std; signed main() { int ans = 0; int n...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i=0; i<(int)(n); i++) #define all(x) x.begin(), x.end() #define mod 1000000007 typedef long long ll; int main() { ll n, k; cin >> n >> k; ll cnt = 0; for(ll i=k+1; i<=n; i++){ if(n%i == 0) cnt += (i-k)*(n/i); else{ cnt += (i...
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Project_CodeNet
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#define _USE_MATH_DEFINES #include <cstdio> #include <iostream> #include <sstream> #include <fstream> #include <iomanip> #include <algorithm> #include <cmath> #include <complex> #include <string> #include <vector> #include <array> #include <list> #include <queue> #include <stack> #include <set> #include <map> #include ...
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Project_CodeNet
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#include <iostream> #include <vector> #include <queue> #include <algorithm> #include <cmath> #include <iomanip> #include <map> #include <deque> #include <string.h> using namespace std; #define REP(i,n) for(int i = 0; i < n; i++) #define ALL(v) v.begin(),v.end() typedef long long ll; typedef pair<int,int> pi; typedef p...
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Project_CodeNet
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#include <algorithm> #include <cmath> #include <cstdio> #include <cstring> #include <deque> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <utility> #include <vector> #define CK(N, A, B) (A <= N && N < B) #define REP(i, a, b) for (int i = a; i < b; i++) #...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long lint; const int MAXN = 100005; const int mod = 998244353; int main(){ int n, k; cin >> n >> k; if(k == 0){ cout << 1ll * n * n << endl; return 0; } lint ret = 0; for(int i=1; i<=n; i++){ int mok = n / i; ret += mok * max(0, i - k); ret += ...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; typedef long long ll; #define mp make_pair #define fi first #define se second const int maxn=20; const int maxm=2<<16; const int maxe=maxn*2; const ll mod=1e9+7; const int inf=0x3f3f3f3f; int n,m,k; int main(){ scanf("%d%d",&n,&k); ll ans=0; for(int b=k+1;b<=n;...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; typedef long long ll; #define pb push_back #define fi first #define se second typedef pair<ll,ll> P; #define Mod 1000000007 using VP = vector<P>; using VVP = vector<VP>; using VI = vector<ll>; using VVI = vector<VI>; using VVVI = vector<VVI>; #define INF 1ll<<59 int main(){...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; using int32 = int_fast32_t; using int64 = int_fast64_t; const int32 INF = 1e9; const int32 MOD = 1e9+7; const int64 LLINF = 1e18; #define YES(n) cout << ((n) ? "YES\n" : "NO\n" ) #define Yes(n) cout << ((n) ? "Yes\n" : "No\n" ) #define POSSIBLE cout << ((n) ? "POSSIBLE...
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Project_CodeNet
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#include <algorithm> #include <bitset> #include <cmath> #include <cstring> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <stack> #include <string> #include <vector> const int MOD = 1e9 + 7; const int iINF = 1000000000; const long long int llINF = 1000000000000000000; u...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int n,k; long long ans; int main(){ scanf("%d%d",&n,&k); for (int i=k+1,j;i<=n;++i){ /*(k~i-1) (k~i-1)+i (k~i-1)+2i 2i+k~3i-1 a%i>=k*/ for (j=0;;j+=i){ //j+k~j+i-1 if (j+k>n) break; if (j+i-1>n){ ans+=n-j-k+1; break; }else ans+=i-k; } ...
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Project_CodeNet
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#include <iostream> #include <cstring> #include <cstdlib> #include <cstdio> #include <algorithm> #define LL long long using namespace std; int main() { int n, k; LL ans = 0; scanf("%d%d", &n, &k); for (int i = k + 1; i <= n; i++) // 枚举的是除数 ans += (n / i) * (i - k) + max(0, ((n % i) - (k == 0 ? k : (k - 1)))); //...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main() { int N, K; scanf("%d%d", &N, &K); long long ans = 0; for(int i=K+1; i<=N; ++i) { int div = N/i; int rem = N%i; ans += 1LL*div*(i-K) + max(rem-K+1, 0); } if(K==0) ans = 1LL*N*N; printf("%lld\n", ans); return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i = 0; i < (n);i++) typedef long long ll; //a % b >= K // bを固定 int main(){ ll N,K; cin >> N >> K; if(K == 0){ cout << N*N << endl; return 0; } ll res = 0; for(int i = 1; i <= N; i++){ if(i - 1 >= K ) {...
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Project_CodeNet
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/* * ARC091_D.cpp * * Created on: May 22, 2018 * Author: 13743 */ #include<cstdlib> #include<iostream> #include<algorithm> #include<vector> #include<stack> #include<queue> #include<string> #include<cstring> using namespace std; typedef long long lng; typedef unsigned long long ulng; #define pb push_back #de...
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Project_CodeNet
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#include<iostream> #include<algorithm> using namespace std; using ll = long long; int main() { int n, k; cin >> n >> k; ll ans = 0; for (int b = 1;b <= n;++b) { int p = n / b; int r = n % b; ans += p * max(0, b - k) + max(0, r - k + 1); if (k == 0)--ans; } cout << ans << endl; }
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Project_CodeNet
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#include "bits/stdc++.h" using namespace std; const int maxn = 300300; int main(){ long long n, k, ans = 0; cin >> n >> k; for(long long b = 1; b <= n; b++){ long long cy = n / b; long long have = (b - 1 - k + 1); if(have <= 0) continue; ans += have * cy; long long la...
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Project_CodeNet
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#include <bits/stdc++.h> #include <ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/assoc_container.hpp> using namespace std; using namespace __gnu_pbds; typedef long long ll; typedef long double ld; typedef complex<ld> cd; typedef pair<int, int> pi; typedef pair<ll,ll> pl; typedef pair<double,double> pd; typedef ve...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; typedef long long LL; typedef pair<LL,LL> P; const LL mod=1e9+7; const LL LINF=1LL<<62; int main(){ int N,K; cin >> N >> K; LL ans=0; for(int i=K+1;i<=N;i++){ ans+=N/i*(i-K); ans+=max(N%i-K+1,0); } if(K==0) ans-=N; cout << ans << ...
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Project_CodeNet
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#include<bits/stdc++.h> #define rep(i,x,y) for (int i=(x); i<=(y); i++) #define ll long long using namespace std; int main(){ int n,k; ll ans=0; scanf("%d%d",&n,&k); if (k==0) ans=(ll)n*n; else{ rep (b,k+1,n){ //a%b>=k ans+=(ll)(b-k)*(n/b)+max(0,n%b-k+1); } } printf("%lld\n",ans); return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define fi first #define se second #define mp make_pair #define pb push_back #define pf push_front #define iter(v, i) for (__typeof__((v).begin()) i = (v).begin(); i != (v).end(); i++) #define fast_io_without_cstdio ios_base::sync_with_stdio(false), cin.tie(NULL) #define ...
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Project_CodeNet
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// ARC091B.cpp #include <bits/stdc++.h> using namespace std; int n, k; int main() { scanf("%d%d", &n, &k); long long ans = 0; for (int b = max(k + 1, 1); b <= n; b++) { int rem = (n + 1) % b, loop_num = (n + 1) / b; int bpart = b - k; long long pans = 1LL * loop_num * bpart + ...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i, n) for(ll i = 0; i < (ll)(n); i++) #define rep1(i, n) for(ll i = 1; i < (ll)(n); i++) const ll mo=1000000007; ll ans=0; ll dp[0][0]; int main() { ll n,k; cin >> n>>k; if(k==0){ cout << n*n << endl; return 0; } rep1(i,n+1){ if(i...
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Project_CodeNet
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#ifdef LOCAL #define _GLIBCXX_DEBUG #endif #include<bits/stdc++.h> using namespace std; #define rep(i,s,t) for(ll i = (ll)(s); i < (ll)(t); i++) #define rrep(i,s,t) for(ll i = (ll)(s-1);(ll)(t) <= i; i--) #define all(x) (x).begin(), (x).end() typedef long long ll; typedef long double ld; typedef pair<ll,ll> Pll; typede...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } using ll = long long; const int dx[4] = {1, 0, -1, 0}; const int dy[4] = {0, 1, 0, -1}; const i...
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Project_CodeNet
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#include <cstdio> #include <cstdlib> #include <cmath> #include <cstring> #include <iostream> #include <string> #include <algorithm> #include <vector> #include <queue> #include <stack> #include <map> #include <set> #include <unordered_map> #include <unordered_set> #include <complex> #include <functional> #include <ca...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define pb push_back #define mp make_pair #define rep(i,n) for(int i = 0; i < (n); i++) #define repr(i,b,e) for(int i = (b); i <= (e); i++) #define pr(x) do{cerr << (#x) << " = " << (x) << endl;}while(0) #define pri(x,i) do{cerr << (#x) << "[" << i << "] = " << (x[i]) <<...
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Project_CodeNet
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#include<bits/stdc++.h> #define REP(i, b) for(int i = 0; i < (b); i++) #define REPS(i, b) for(int i = 1; i <= (b); i++) #define FOR(i, a, b) for(int i = (a); i < (b); i++) #define ALL(v) (v).begin(), (v).end() using namespace std; using ll = long long; using P = pair<int, int>; using vi = vector<int>; using vl = vecto...
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Project_CodeNet
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#include <iostream> #include <algorithm> #include <string> #include <string.h> #include <stdlib.h> #include <math.h> #include <vector> #include <queue> #include <stack> #include <cmath> #include <map> #include <iomanip> #include <set> using namespace std; #define rep(i, s) for (int i = 0; i < s; ++i) #define all(v) (v...
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Project_CodeNet
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#include "bits/stdc++.h" using namespace std; int main(){ long long int n,k; cin>>n>>k; long long int ans=0; if(k==0){ cout<<n*n<<endl; return 0; } for(int i=k+1;i<=n;i++){ long long int tmp; tmp=n/i; ans+=tmp*(i-k); long long int tmp2=(n%i)-k+1; if(tmp2<0)tmp2=0; ans+=tmp2; } cout<<ans<<...
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#include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <ctime> #include <cstring> #include <functional> #include <iostream> #include <iomanip> #include <limits> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <regex> #include <vector> #define fix(...
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Project_CodeNet
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#define _USE_MATH_DEFINES #include <bits/stdc++.h> using namespace std; signed main() { ios::sync_with_stdio(false); cin.tie(0); int n, k; cin >> n >> k; long long ans = 0; for (int b = k + 1; b <= n; b++) { ans += n / b * (b - k); ans += max(0, n % b - k + 1); ans -= k == 0 ? 1 : 0; } cout << ans << endl;...
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#include <iostream> #include <iomanip> #include <array> #include <vector> #include <algorithm> #include <stack> #include <queue> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <tuple> #include <string> #include <cmath> #include <cstdlib> #include <cstring> #include <climits> #i...
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#include <bits/stdc++.h> using namespace std; #define NDEBUG #ifdef DEBUG #include "../cout11.h" #undef NDEBUG #endif #include <cassert> typedef long long ll; typedef unsigned long long ull; typedef pair<int,int> ii; typedef pair<ll,ll> llll; typedef pair<double,double> dd; typedef vector<int> vi; typedef vector<vec...
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#include<iostream> #include<algorithm> #include<vector> #include<map> #include<string> long long INF=1000000000000000000; using namespace std; int main(){ long long N,K; cin>>N>>K; long long ans=0; if(K==0){ ans=N*N; cout<<ans<<endl; return 0; } /* for( int i=K;i<=N;i++){ for(int l=K+1;l<=N;l++)...
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#include<bits/stdc++.h> using namespace std; #define int long long #define double long double #define SZ(x) ((int)(x).size()) #define rep(i,n) for(int i=0;i<(n);++i) #define fore(i,a) for(auto &i:a) #define min(...) min({__VA_ARGS__}) #define max(...) max({__VA_ARGS__}) #define Yes cout << "Yes" << endl; #define No cou...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; #define REP(i,n) for(int i=0,_n=(int)(n);i<_n;++i) #define ALL(v) (v).begin(),(v).end() #define CLR(t,v) memset(t,(v),sizeof(t)) template<class T1,class T2>ostream& operator<<(ostream& os,const pair<T1,T2>&a){return os<<"("<<a.first<<","<<a.second<< "...
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#include <bits/stdc++.h> using namespace std; #define ll long long #define db double #define up(i,j,n) for (ll i = j; i <= n; i++) #define down(i,j,n) for (ll i = j; i >= n; i--) #define cadd(a,b) a = add (a, b) #define cpop(a,b) a = pop (a, b) #define cmul(a,b) a = mul (a, b) #define pr pair<int, int> #de...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef pair<ll, ll> pll; #define FOR(i, n, m) for(ll (i)=(m);(i)<(n);++(i)) #define REP(i, n) FOR(i,n,0) #define OF64 std::setprecision(10) const ll MOD = 1000000007; const ll INF = (ll) 1e15; int main() { cin.tie(0); ios::sync_with_s...
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Project_CodeNet
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#if 1 #include <iostream> #include <fstream> #include <string> #include <vector> #include <map> #include <set> #include <unordered_map> #include <unordered_set> #include <queue> #include <stack> #include <array> #include <deque> #include <algorithm> #include <utility> #include <cstdint> #include <functional> #include ...
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#include<bits/stdc++.h> using namespace std; int N; int calc(int from, int to){ if(from == 0)from = 1; if(from > N)return 0; if(to > N)to = N; if(from > to)return 0; return to - from + 1; } int main(){ int K; scanf("%d%d",&N,&K); long long int res = 0; for(int B = K+1; B <= N; B++) for(int C = 0; B * C <= N;...
146
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; //conversion //------------------------------------------ inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;} template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();} //math //-------------------------------------...
1,551
Project_CodeNet
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#include<bits/stdc++.h> #define rep(i,a,b) for(int i=a;i<b;i++) #define rrep(i,a,b) for(int i=a;i>=b;i--) #define fore(i,a) for(auto &i:a) #define all(x) (x).begin(),(x).end() #pragma GCC optimize ("-O3") using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } typedef long lo...
570
Project_CodeNet
2,019
#include <iostream> #include <string> #include <vector> #include <cstdlib> #include <cstdio> #include <cmath> #include <algorithm> #include <map> #include <stack> #include <queue> #include <set> #include <cstring> using namespace std; // ascending order #define vsort(v) sort(v.begin(), v.end()) // descending order #de...
372
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; typedef unsigned long long ull; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<double, double> pdd; const ull mod = 1e9 + 7; #define REP(i,n) for(int i=0;i<(int)n;++i) //debug #define dump(x) cerr << #x << " = " << (x) << endl; #...
399
Project_CodeNet
2,018
#include <bits/stdc++.h> using namespace std; #define fi first #define se second #define mp make_pair #define pb push_back #define REP(i,n) for (int i = 0; i < n; ++ i) #define FOR(i,a,b) for (int i = a; i <= b; ++ i) #define FORD(i,b,a) for (int i = b; i >= a; -- i) #define debug(x) cerr << #x << ": " << x << "\n" #de...
283
Project_CodeNet
2,020
#include<bits/stdc++.h> using namespace std; typedef long long ll; int n,k; int main() { scanf("%d%d",&n,&k); ll ans=0; if(k==0) { printf("%lld\n",(ll)n*n); return 0; } for(int b=k+1;b<=n;b++) { ans+=(b-k); int t=n/b; if(t) ans+=(t-1)*(b-k); if...
136
Project_CodeNet
2,018
#define _USE_MATH_DEFINES #include <iostream> #include <string> #include <list> #include <vector> #include <queue> #include <algorithm> #include <climits> #include <cstring> #include <cmath> #include <stack> #include <iomanip> #include <tuple> #include <functional> #include <cfloat> #include <map> #define int long lon...
544
Project_CodeNet
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#include <bits/stdc++.h> #include <sys/time.h> using namespace std; // hamko utils #define rep(i,n) for(long long i = 0; i < (long long)(n); i++) #define repi(i,a,b) for(long long i = (long long)(a); i < (long long)(b); i++) #define pb push_back #define all(x) (x).begin(), (x).end() #define fi first #define se second ...
1,734
Project_CodeNet
2,019
#include <iostream> #include <string> #include <algorithm> #include <cstdio> #include <vector> #include <queue> #include <stack> #include <set> #include <map> #include <numeric> #include <cmath> #include <cassert> using namespace std; typedef long long int ll; typedef pair<int,int> P; #define all(x) x.begin(),x.end(...
215
Project_CodeNet
2,018
#include<cstdio> #include<algorithm> using namespace std; int N,K; long long ans=0; int main() { #ifdef LOACL freopen("in.txt","r",stdin); freopen("out.txt","w",stdout); #endif scanf("%d %d",&N,&K); if(K==0)ans=1ll*N*N; else { for(int b=K+1;b<=N;b++) { int x1=b-K; int x2=N/b; int k=N-x2*b; if(k>=K)...
149
Project_CodeNet
2,018
#include<bits/stdc++.h> using namespace std; #define ll long long #define llu unsigned long long #define ld double #define llu unsigned long long #define rep(i,x,y) for(int i=x;i<y;++i) #define For(i,x,y) for(int i=x;i<=y;++i) #define FOr(i,x,y) for(int i=x;i>=y;--i) #define pi acos(-1) #define mk make_pair<ll,ll> #...
875
Project_CodeNet
2,018
#include<bits/stdc++.h> using namespace std; #define ll long long const int maxn=1e5+10; int main() { ll n,k,ans=0; cin>>n>>k; if(k==0){cout<<n*n;return 0;} //if(k==1){cout<<n*n-n;return 0;} for(int i=k+1;i<=n;i++) { if(n%i) { ll t=n/i; ans+=t*(i-k); ...
174
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef vector<int> vint; typedef vector<double> vd; typedef vector<ll> vll; typedef vector<string> vstr; typedef vector<vector<int>> vvint; typedef vector<pair<int, int>> v...
741
Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main() { int n, K; scanf("%d%d", &n, &K); long long tot = 0; for (int b = 1; b <= n; b++) { if (b - 1 < K) { continue; } tot += (long long)(n / b) * (b - K); int max_K = n - (n / b) * b; if (max_K >= K...
159
Project_CodeNet
2,018
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main() { ll n,k; cin >> n >> k; ll ans = 0; if(k == 0) { cout << n * n << endl; return 0; } for(ll b = k + 1; b <= n; b++) { ll p = n / b; ll q = n % b; ll y = max((ll)0,q - k + 1); ll x = b - k - y; a...
149
Project_CodeNet
2,018
#include<bits/stdc++.h> using namespace std; using ll=long long; int main(){ ll n; int k; cin>>n>>k; if(k==0){ cout<<n*n<<endl; return 0; } ll res=0; for(int b=k+1;b<=n;b++){ ll shuki=(n+1)/b; ll par=b-k; ll rest=n%b-k+1; if(rest<0 || (n+1)%b==...
145
Project_CodeNet
2,018
#include<bits/stdc++.h> #define For(i,j,k) for(int i=j;i<=k;++i) using namespace std; int read(){ int x=0,l=1; char ch=getchar(); while(!isdigit(ch)) {if (ch=='-') l=-1; ch=getchar();} while(isdigit(ch)) x=x*10+(ch^48),ch=getchar(); return x*l; } int main(){ int n=read(),k=read(),x,y; long long ans=...
173
Project_CodeNet
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/* Author : Aaryan Srivastava ^__^ */ #include <bits/stdc++.h> #define ff first #define ss second #define pb push_back #define sz(a) ((int)a.size()) using namespace std; typedef long long ll ; const ll inf = 1e18 ; const int mod = 1e9 + 7; const int N = 3e5 + 5; const int SZ = 101; ll po(ll x,ll y,ll p = mod) {ll...
378
Project_CodeNet
2,020
#include<bits/stdc++.h> using namespace std; int main() { int n,k; cin>>n>>k; long long ans=0; for(int i=1;i<=n;i++) { if(i<=k)continue; ans+=(long long)(i-k)*(n/i)+max(((n%i)-k+1-(k==0)),0); //cout<<i<<" "<<count<<endl; } cout<<ans<<endl; return 0; }
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Project_CodeNet
2,018
#include<bits/stdc++.h> #include <cstring> #include <iostream> #define pie acos(-1) #define si(a) scanf("%d",&a) #define sii(a,b) scanf("%d %d",&a,&b) #define siii(a,b,c) scanf("%d %d %d",&a,&b,&c) #define sl(a) scanf("%lld",&a) #define sll(a,b) scanf("%lld %lld",&a,&b) #define slll(a,b,c) scanf("%lld %lld %lld",&a,&b,...
1,527
Project_CodeNet
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#include<algorithm> #include<bitset> #include<cstdio> #include<cstring> #include<cstdlib> #include<cmath> #include<deque> #include<iostream> #include<map> #include<queue> #include<set> #include<stack> #include<string> #include<vector> #include<list> #define For(i,a,b) for(int i=(a); i<=(b) ; i++) #define _For(i,a,b) fo...
432
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> vi; typedef pair<int,int> pi; #define F first #define S second #define PB push_back #define MP make_pair #define what_is(x) cerr << #x << " is " << x << endl; #define MT make_tuple #define eb emplace_back #define rep(i, begin, end...
386
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; typedef long long int ll; #define endl "\n" #define pll pair<ll, ll> #define pii pair<int, int> #define pb push_back #define vi vector<int> #define vl vector<ll> #define vpii vector<pair<int, int>> #define mems(x, y) memset(x, y, sizeof(x)) #define all(x) (x).begin(), (x)....
583
Project_CodeNet
2,020
#include<cstdio> #include<algorithm> int n,k; long long ans=0; int main() { scanf("%d%d",&n,&k); for (int i=k+1;i<=n;i++) { int x=n/i,r=n%i; ans=ans+1ll*x*(i-k)+std::max(0,r-k+1); if (k==0) --ans; } printf("%lld\n",ans); }
96
Project_CodeNet
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#include <iostream> #include <iomanip> #include <algorithm> #include <utility> #include <cmath> #include <string> #include <vector> #include <set> #include <map> #include <queue> #include <stack> #include <deque> using namespace std; using ll = long long; #define rep(i, n) for(int i = 0; i < (int)(n); i++) int main...
328
Project_CodeNet
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#include<bits/stdc++.h> using namespace std; #define ll long long int #define fi first #define se second #define pii pair<int,int> #define pll pair<ll,ll> #define rep(n) for(int i=0;i<n;i+=1) int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n,k; cin>>n>>k; ll ans = 0; for(i...
414
Project_CodeNet
2,018
#include <cstdio> #include <cstring> #include <cmath> #include <algorithm> #include <cstdlib> #include <string> #include <iostream> using namespace std; typedef long long LL; const int inf = 1 << 30; const LL INF = 1LL << 60; const int MaxN = 305; LL N, K; int main() { while(scanf("%lld %lld", &N, &K) != EOF) { L...
185
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i, n) for(ll i = 0; i < (ll)(n); i++) #define rep2(i, a, n) for(ll i = a; i < (ll)(n); i++) #define memi cout << endl #define kono(n) cout << fixed << setprecision(n) #define all(c) (c).begin(), (c).end() #define pb push_back #define hina c...
290
Project_CodeNet
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#include <iostream> #include <algorithm> using namespace std; int main() { int n, k; cin >> n >> k; long long ans = 0; for (int b = k + 1; b <= n; b++) { ans += (b - k) * (n / b) + max(n % b - k + 1, 0); } if (k == 0) { ans -= n; } cout << ans; }
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Project_CodeNet
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// https://atcoder.jp/contests/arc091/tasks/arc091_b #include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<int, int>; #define REP(i, n) for (int i = 0; i < n; i++) #define REPR(i, n) for (int i = n - 1; i >= 0; i--) #define FOR(i, m, n) for (int i = m; i < n; i++) int main() { ios::s...
270
Project_CodeNet
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#include<bits/stdc++.h> using namespace std; const int MOD = 1e9 + 7; const int MAXN = 1e3 + 5; const double eps = 1e9; typedef long long LL; #define ls o<<1 #define rs o<<1|1 #define m(o) (q[o].l+((q[o].r-q[o].l)>>1)) int main() { LL n, k; cin.tie(0); ios::sync_with_stdio(false); cin >> n >> k; if (k == 0) { c...
204
Project_CodeNet
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#include<iostream> #include<vector> #include<map> #include<set> #include<algorithm> #include<numeric> #include<limits> #include<bitset> #include<functional> #include<type_traits> #include<queue> #include<stack> #include<array> #include<random> #include<boost/multi_array.hpp> #include<boost/variant.hpp> #include<boost/...
2,769
Project_CodeNet
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#include <bits/stdc++.h> #define ADD(a, b) a = (a + ll(b)) % mod #define MUL(a, b) a = (a * ll(b)) % mod #define MAX(a, b) a = max(a, b) #define MIN(a, b) a = min(a, b) #define rep(i, a, b) for(int i = int(a); i < int(b); i++) #define rer(i, a, b) for(int i = int(a) - 1; i >= int(b); i--) #define all(a) (a).begin(), (a...
714
Project_CodeNet
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#include <bits/stdc++.h> using namespace std; void hawawa() { unsigned long long n, k; cin >> n >> k; unsigned long long ans = 0; if (k == 0) { cout << n * n << "\n"; return; } for (int i = k + 1; i <= n; i++) { unsigned long long s = n % i; if (k <= s) { ans += s - k + 1; } ...
167
Project_CodeNet
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//#include "debug.h" #include <string.h> #include <limits.h> #include <map> #include <set> #include <vector> #include <algorithm> using namespace std; #define MAXN 100000 int n, k; int input() { if (scanf("%d %d", &n, &k) < 0) return 0; return 1; } void init() { } long solve() { long ans = 0; for (int b=1; b<=...
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Project_CodeNet
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#include <stdio.h> typedef long long lli; int main() { lli n, k; scanf("%lld %lld",&n,&k); if(k==0) { printf("%lld\n",n*n); return 0; } lli res=0; for(lli a=k+1;a<=n;a++) { for(lli b=a;b<=n;b+=a) { res+=a-k; } lli rem=n%a; if(rem==0) continue; if(rem>k-1) res+=rem-k+1; } printf("%lld\n",res);...
141
Project_CodeNet
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// #pragma GCC target ("avx") // #pragma GCC optimize("Ofast") // #pragma GCC optimize("unroll-loops") // #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #include <bits/stdc++.h> using namespace std; // #define int long long // #define endl '\n' #pragma region TEMPLATE /* TYPE */ typedef...
2,494
Project_CodeNet
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#include <bits/stdc++.h> const int MAXN=1e5+10; #define ll long long using namespace std; ll readll(){ ll x=0,f=1;char ch=getchar(); while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();} while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();} return x*f; } int readint(){ int x=0,f=1;char ch=getchar(); ...
283
Project_CodeNet
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#include <bits/stdc++.h> using namespace std; struct P { //string r; int x,y,z; bool operator<(const P &a)const{ // if(y!=a.y) // return y>a.y; return x<a.x; // return z>a.z; } }; vector<int> v[155]; //bitset<4001000> b; int a,c,i,b,k,d,n,m; long long e[100100];//dy[15]={0,...
406