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Project_CodeNet
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#include <bits/stdc++.h> #define FOR(i, a, b) for (long long i = (a); i < (b); i++) using namespace std; typedef long long ll; int main() { ll n, k, ans = 0; cin >> n >> k; if (k == 0) return !printf("%lld\n", n * n); FOR(i, k + 1, n + 1) ans += n / i * (i - k) + max((ll)0, n % i - k + 1); printf("%lld\n", ans...
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Project_CodeNet
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#include <iostream> #include <string> #include <vector> #include <algorithm> #include <cstring> #include <cmath> #include <limits> #include <stack> #include <queue> #include <map> #include <set> using namespace std; using ll = long long; using ui = unsigned int; const ll MOD = 1000000007; const ll INF = 9223372036854...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; int main() { int N, K; ll ans = 0; cin >> N >> K; for (int b = K+1; b <= N; b++) { ll a = N%b; ll cnt = N/b; ans += cnt * (b-K); if (a != 0 && a >= K) { if (K == 0) { an...
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Project_CodeNet
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#include "bits/stdc++.h" using namespace std; #define int long long #define FOR(i, j, k) for(int i = j; i < k; ++i) #define rep(i, j) FOR(i, 0, j) #define INF (1 << 30) typedef unsigned long long ull; typedef pair<int, int> P; typedef pair<P, int> Pi; typedef pair<P, P> PP; const int MOD = 1e9 + 7; const int dy[] =...
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Project_CodeNet
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#include<iostream> #include<cstdio> #include<algorithm> #include<cstring> #include<cmath> #include<vector> #include<map> #include<set> using namespace std; #define ll long long #define pb(x) push_back(x) #define mp(a,b) make_pair(a,b) #define fi first #define se second #define pr(x) cerr<<#x<<"="<<(x)<<endl #define pri...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<int,int> P; typedef pair<ll,ll> l_l; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<ll> vl; typedef vector<P> vp; #define fi first #define se second #define rep(i,n) for(int i = 0; i < (n); ++i) #def...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; const ll INF = 1e18; const int inf = 1e9; #define rep(i, a, b) for (int i = a; i < b; i++) #define per(i, b, a) for (int i = a - 1; i >= b; i--) using Graph = vector<vector<int>>; using pint = pair<int, int>; int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0...
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Project_CodeNet
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#include <bits/stdc++.h> using std::cin; using std::cout; using std::cerr; using std::endl; namespace chrono = std::chrono; using namespace std::literals; [[gnu::constructor]] void fast_iostream() { std::ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); cerr.tie(nullptr); } int m...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; void ins(map<int, int> &ma, int k) { for (int i = 1; i * i <= k; ++i) { if (k % i == 0) { ++ma[i]; if (k / i != i) ++ma[k / i]; } } } void era(map<int, int> &ma, int k) { for (int i = 1; i * i <= k; ++i) { if (k % i == 0) { --ma...
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Project_CodeNet
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#include<stdio.h> #include<algorithm> using namespace std; typedef long long lld; typedef pair<int,int> pii; lld n,k,fin; int main(){ scanf("%lld%lld",&n,&k); for(lld b=k+1;b<=n;b++){ lld p=(n-b+1)/b,r=max(n-b*(p+1)-k+1,0ll); if(k==0) fin--; fin+=(p+1)*(b-k)+r; //printf("%lld %l...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<pair<ll, ll>> vpll; typedef pair<ll, ll> pll; #define mod 1000000007 #define all(x) (x).begin(), (x).end() #define pb push_back #define yes(a) printf(a ? "yes\n" : "no\n") #define Yes(a) printf(a ? "Yes\n" : "No\n") #define YES(a) print...
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Project_CodeNet
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#include <iostream> #include <algorithm> #include <string> #include <vector> using namespace std; int main() { long long int n, k; cin >> n >> k; long long int count = 0; if(k == 0) { cout << n * n << endl; return 0; } for(int i = 1; i <= n; i++) { if(i <= k) co...
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Project_CodeNet
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#include<iostream> using namespace std; typedef long long ll; int n,k; int main(){ ios::sync_with_stdio(false); cin >> n >> k; ll ans=0; for(int i=k+1; i<=n ;i++){ if(n%i>=k){ ans+=1LL*((n-k)/i)*(i-k)+n%i-k+1; } else{ ans+=1LL*((n-k)/i+1)*(i-k); } } if(k==0) ans-=n; cout << ans << endl; }
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Project_CodeNet
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/** * File : D.cpp * Author : Kazune Takahashi * Created : 2018-3-11 21:23:01 * Powered by Visual Studio Code */ #include <iostream> #include <iomanip> // << fixed << setprecision(xxx) #include <algorithm> // do { } while ( next_permutation(A, A+xxx) ) ; #include <vector> #include <string> // to_string(nnn)...
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Project_CodeNet
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#pragma GCC optimize("Ofast") #include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<int, int>; using pll = pair<long long, long long>; constexpr char ln = '\n'; constexpr long long MOD = 1000000007LL; constexpr long long INF = 1001001001LL; constexpr long long LINF = 1001001001001001001...
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Project_CodeNet
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#include<iostream> #include<cstdio> using namespace std; typedef long long ll; ll n,k; int main(){ cin>>n>>k; ll ans=0; for (ll b=n;b>k;b--){ ll l=k,r=b-1; ll c=(n+1)/b; ans+=c*(r-l+1); if (l==0) ans--; l=k+c*b; if (l<=n){ ans+=n-l+1; } } cout<<ans; }
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Project_CodeNet
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// Math = ♥️ #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; using namespace std; #define ll long long #define ld long double typedef pair<ll, ll> ii; typedef vector<ll> vi; typedef vector<vi> vvi; typedef vector<ii> vii; typedef vecto...
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Project_CodeNet
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#ifdef LOCAL111 #define _GLIBCXX_DEBUG #else #define NDEBUG #endif #define _USE_MATH_DEFINES #ifndef _GLIBCXX_NO_ASSERT #include <cassert> #endif #include <cctype> #include <cerrno> #include <cfloat> #include <ciso646> #include <climits> #include <clocale> #include <cmath> #include <csetjmp> #include <csignal> #inclu...
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Project_CodeNet
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#include <stdio.h> #include <assert.h> #include <fstream> #include <iostream> #include <algorithm> #include <array> #include <vector> #include <queue> #include <set> #include <cmath> //#include <unordered_map> //#include <unordered_set> //#include <boost/container/static_vector.hpp> //#include <boost/unordered_set.hpp>...
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Project_CodeNet
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#include <cstdio> #include <cassert> #include <queue> #include <deque> #include <vector> #include <algorithm> #include <cstring> #include <cmath> #include <set> #include <cstdlib> #include <string> #include <unordered_map> #include <sstream> using namespace std; typedef long long int lli; typedef pair<int, int> pii; t...
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Project_CodeNet
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#include<iostream> #include<cstdio> #include<cstring> typedef long long ll; int n,k; int main() { scanf("%d%d",&n,&k); ll ans=0; for(int i=k+1;i<=n;i++) { ll cnt=i-k,d=n/i,r=n%i; ans+=cnt*d; if(k)ans+=std::max(0ll,r-k+1); else ans+=r; } printf("%lld\n",ans); return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; int main(){ ios_base:: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); ll n,k;cin>>n>>k; ll ans =0; for(ll b=k+1;b<=n;b++){ ans+=(b-k)*(n/b); ll extra = n%b - max(0ll , k-1); ans+=max(0ll,extra); }...
110
Project_CodeNet
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#include <bits/stdc++.h> #define fi first #define se second #define rep(i,n) for(int i = 0; i < (n); ++i) #define rrep(i,n) for(int i = 1; i <= (n); ++i) #define drep(i,n) for(int i = (n)-1; i >= 0; --i) #define srep(i,s,t) for (int i = s; i < t; ++i) #define rng(a) a.begin(),a.end() #define maxs(x,y) (x = max(x,y)) #d...
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Project_CodeNet
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// Problem : D - Remainder Reminder // Contest : AtCoder Regular Contest 091 // URL : https://atcoder.jp/contests/arc091/tasks/arc091_b // Memory Limit : 256 MB // Time Limit : 2000 ms // Powered by CP Editor (https://github.com/cpeditor/cpeditor) #include "bits/stdc++.h" using ll = long long; using namespace std; #d...
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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; i < (int)(n); i++) /* */ ll gcd(ll a,ll b){ if(b == 0) return a; return gcd(b, a % b); } ll lcm(ll a, ll b){ return a/gcd(a,b) * b; } ll func2(ll n){ ll res = 0; while(n%2 == 0){ n /= 2; res++; } ...
536
Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main() { long long ans = 0; int N, K; scanf("%d%d",&N,&K); if(K == 0) return !printf("%lld", 1LL*N*N); for(int b=K+1; b<=N; b++) { ans += ((N - (b-1)) / b + 1) * (b-K); if((N - (b-1)) % b != 0) ans += max(N%b - K + 1, 0); } print...
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Project_CodeNet
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#include<bits/stdc++.h> #define de(x) cout<<#x<<"="<<x<<endl; #define dd(x) cout<<#x<<"="<<x<<" "; #define rep(i,a,b) for(int i=a;i<(b);++i) #define repd(i,a,b) for(int i=a;i>=(b);--i) #define repp(i,a,b,t) for(int i=a;i<(b);i+=t) #define ll long long #define mt(a,b) memset(a,b,sizeof(a)) #define fi first #define se se...
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Project_CodeNet
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# include <bits/stdc++.h> # define F first # define S second # define mp make_pair // everything go according to my plan # define pb push_back # define sz(a) (int)(a.size()) # define vec vector // shimkenttin kyzdary, dzyn, dzyn, dzyn... # define y1 Y_U_NO_y1 # define left Y_U_NO_left # define right Y_U_...
476
Project_CodeNet
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#include <iostream> #include <cstdio> #include <cstdlib> #include <algorithm> #include <cstring> #include <string> #include <cmath> #include <utility> #include <set> #include <vector> #include <functional> #include <map> #include <queue> using namespace std; int main() { long long N,K; cin>>N>>K; long long ans=0;...
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Project_CodeNet
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#include <bits/stdc++.h> #define For(i, a, b) for(int (i)=(a); (i)<(b); (i)++) #define rFor(i, a, b) for(int (i)=(a)-1; (i)>=(b); (i)--) #define rep(i, n) For((i), 0, (n)) #define rrep(i, n) rFor((i), (n), 0) using namespace std; typedef long long lint; int main(){ int n, k; cin >> n >> k; lint ans = 0; Fo...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main() { long long n, k, res = 0; cin >> n >> k; if (k == 0) cout << n * n; else { for (long long i = k + 1; i <= n; i++) { long long d = n / i; long long x = n % i; if(x >= k) res += x - k + 1; ...
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Project_CodeNet
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#include<bits/stdc++.h> #define L long long using namespace std; int t,n,m; L p; inline L calc(int a,int b,int c) { if(a>m) return (L)(b+1)*m; int k=min((m-a)/c,b); return (L)a*(k+1)+(L)c*(k+1)*k/2+(L)(b-k)*m; } int main() { //freopen(".in","r",stdin); //freopen(".out","w",stdout); int i,j,k; //sc...
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Project_CodeNet
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#include <stdio.h> typedef long long ll; int main(void) { ll n, k, ans = 0, i, j; scanf("%lld%lld", &n, &k); for(i = k + 1; i <= n; ++i) { ans += (n / i) * (i - k); if((n -(n / i) * i) - k + 1 > 0) ans += (n -(n / i) * i) - k + 1; if(!k) --ans; //printf("%lld\n", ans); } printf("%lld", ans);...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long lint; lint rez; int n, k; int cautBin(int nr, int st) { int a = (n - st) / nr; int i = st; int pas = 1 << 20; while(pas != 0) { if(i + pas < nr && (n - (i + pas)) / nr == a) i += pas; pas >>= 1; } ...
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Project_CodeNet
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//ProblemD #ifdef _MYPC #include "mypc.h" #endif // _MYPC #include <iostream> #include <string> #include <vector> #include <bitset> #include <list> #include <map> #include <set> #include <unordered_map> #include <unordered_set> #include <queue> #include <stack> #include <algorithm> #include <numeric> #include <functi...
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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; #define sz size() #define pb(x) push_back(x) #define bg begin() #define ed end() #define rep(i,n) for(ll i=0;i<n;i++) #define rep1(i,n) for(ll i=1;i<=n;i++) #define mp(x,y) make_pair(x,y) const ll MOD=1000000007; const ll INF=10...
605
Project_CodeNet
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#include<bits/stdc++.h> using namespace std; #define rep(i,n) for (int i = 0; i < (n); ++i) #define ALL(x) (x).begin(), (x).end() typedef long long ll; typedef pair<int, int> pii; const double EPS = 1e-10; const int INF = 1e9; const ll LINF = 1e15; const int MOD = 1000000007; const double PI = acos(-1); int dx[4] = {0,...
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Project_CodeNet
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#include<stdio.h> long long ans,n,m; main() { scanf("%lld%lld",&n,&m); if(m==0) printf("%lld\n",n*n); else { for(int i=m+1;i<=n;i++) ans+=(n/i)*(i-m)+(n%i-m+1)*(n%i>=m?1:0); printf("%lld\n",ans); } return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; using ll = long long; using vll = vector<ll>; #define all(x) (x).begin(), (x).end() #define fsp(x) cout << fixed << setprecision(x) const ll inf = LLONG_MAX; const long double pi = M_PI; void Yes() {cout << "Yes" << endl;} void No() {cout << "No" << endl;} void YES() {cout ...
301
Project_CodeNet
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#include<bits/stdc++.h> #define de(x) cout<<#x<<"="<<x<<endl; #define dd(x) cout<<#x<<"="<<x<<" "; #define rep(i,a,b) for(int i=a;i<(b);++i) #define repd(i,a,b) for(int i=a;i>=(b);--i) #define repp(i,a,b,t) for(int i=a;i<(b);i+=t) #define ll long long #define mt(a,b) memset(a,b,sizeof(a)) #define fi first #define se se...
632
Project_CodeNet
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#include <iostream> #include <iomanip> #include <sstream> #include <vector> #include <string> #include <set> #include <unordered_set> #include <map> #include <unordered_map> #include <stack> #include <queue> #include <deque> #include <algorithm> #include <functional> #include <iterator> #include <limits> #include <nume...
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Project_CodeNet
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#include <iostream> #include <vector> #include <string> #include <cstring> #include <math.h> #include <cmath> #include <limits.h> #include <map> #include <set> #include <queue> #include <algorithm> #include <functional> #include <stdio.h> using namespace std; long long MOD = 1000000007; int main() { long long N,K...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define int long long #define stoi stoll using ll=long long; using vi=vector<int>; using pii=pair<int,int>; #define ALL(c) begin(c),end(c) #define RALL(c) rbegin(c),rend(c) #define ITR(i,b,e) for(auto i=(b);i!=(e);++i) #define FORE(x,c) for(auto &x:c) #define REPF(i,a,n) fo...
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Project_CodeNet
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#include <algorithm> #include <bitset> #include <cmath> #include <cstdio> #include <iomanip> #include <iostream> #include <list> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <vector> #define INF 1LL << 62 #define MOD 1000000007ll #define EPS 1e-10 #define REP(i, m) for (int...
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Project_CodeNet
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#define _USE_MATH_DEFINES #include <iostream> #include <fstream> #include <cstdio> #include <cmath> #include <cstdlib> #include <cstring> #include <cassert> #include <string> #include <vector> #include <utility> #include <complex> #include <set> #include <map> #include <queue> #include <stack> #include <deque> #include...
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Project_CodeNet
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#include <iostream> #include <cstdio> #include <cstdlib> #include <cstring> #include <algorithm> using namespace std; #define MAXN 100000 #define ll long long #define rint register int #define gc() getchar() inline int read(int r=0,int s=0,int c=gc()){for(;c<48||c>57;s=c,c=gc());for(;c>=48&&c<=57;(r*=10)+=c-48,c=gc())...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; long long n,k,ans; int main(){ scanf("%lld%lld",&n,&k); for(long long i=k+1;i<=n;i++){ ans+=(n/i)*(i-k); if(n%i>=k)ans+=(n%i-k+1); } if(k==0)ans-=n; printf("%lld",ans); return 0; }
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Project_CodeNet
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#pragma GCC diagnostic ignored "-Wunused-variable" #pragma GCC diagnostic ignored "-Wunused-parameter" #include <bits/stdc++.h> //#include <atcoder/all> using namespace std; //using namespace atcoder; #define BOOST #ifdef BOOST #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.h...
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#include <iostream> #include <algorithm> #include <vector> #include <queue> #include <set> #include <cmath> #include <string> #define FI first #define SE second #define PF push_front #define PB push_back #define PPF pop_front #define PPB pop_back #define MA make_pair #define ll long long #define PA pair<int,int> #defin...
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Project_CodeNet
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#include <iostream> #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) ans = N*N; else{ for(ll i=K+1; i<=N; i++){ if(N%i >=K){ ans+= N%i-K+1+ (i-K)*(N-(N%i))/i; } else{ ...
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Project_CodeNet
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#include <bits/stdc++.h> #define rep(i,n) for (int i=0; i<(n); ++i) 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){ ans+=max(0,b-k)*(n/b); ans+=max(0,n%b-k+1); } if(k==0)ans-=n; cout<<ans<<endl; return 0; }
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#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define PI 3.14159265358979323846 #define int long long constexpr int INF = numeric_limits<int>::max() / 2; constexpr long long INFL = numeric_limits<long long>::max() / 2; constexpr int MOD = 1000000007; using Graph = ve...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; typedef long long ll; int main(){ ll N, K; cin >> N >> K; ll ans=0; for(ll i=K+1; i<=N; i++){ ans +=(N/i * (i-K) ); ans += max(0LL, N%i-K+1LL ); if(K==0) ans--; // cout << (N/i * (i-K) ) + max(0LL, N%i-K ) << endl; } cout ...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; using ll=int64_t; #define int ll #define FOR(i,a,b) for(int i=int(a);i<int(b);i++) #define REP(i,b) FOR(i,0,b) #define MP make_pair #define PB push_back #define ALL(x) x.begin(),x.end() #ifdef MAROON_LOCAL #define cerr (cerr<<"-- line "<<__LINE__<<" -- ") #else class Cerr...
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Project_CodeNet
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#define _CRT_SECURE_NO_WARNINGS #include<cstdio> using namespace std; int main(){ long int N, K, ans = 0, i; scanf("%ld %ld", &N, &K); for (i = K + 1; i <= N; i++){ if (N%i >= K){ ans = ans + (N / i)*(i - K) + ((N%i) - K + 1); } else{ ans = ans + (N / i)*(i - K); } } if (K == 0){ printf("%lu\n",...
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Project_CodeNet
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#include <bits/stdc++.h> #define rep(i, a, n) for (int i = (int)(a); i <= (int)(n); ++i) #define rrep(i, a, n) for (int i = (int)(a); i >= (int)(n); --i) #define debug(x) cerr << #x << " = " << x << "\n" #define debugv(x) \ rep(f, 0, (x.size() - 1)) cerr << x[f] << (f == (x.size() - 1) ? "\n" : " ") #define debug2(x,...
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Project_CodeNet
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#include <bits/stdc++.h> #define rep(i,n) for (int i = 0; i < (n); ++i) using namespace std; using ll = long long; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } #defi...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main(int argc, char const *argv[]) { long long n,k; cin>>n>>k; long long ans=0LL; for (long long i = k+1; i <= n; ++i) { ans+=((n+1LL)/i)*(i-k); ans+=max(0LL,((n+1LL)%i)-k); } if (k==0) { ans-=n; } cout<<ans<<endl; return 0; }
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Project_CodeNet
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#include "bits/stdc++.h" using namespace std; int main() { long long n, k, total = 0; scanf("%lld %lld", &n, &k); for (long long i = k + 1; i <= n; ++i) { if (k) { total += n / i * (i - k) + max(0ll, n % i - k + 1); } else { total += n / i ...
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Project_CodeNet
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#include <iostream> #include <tuple> #include <string> #include <map> #include <algorithm> #include <list> #include <vector> #include <set> #include <stdio.h> #include <queue> #include <stack> #include <deque> #include <math.h> #include <sstream> #include <stdlib.h> #include <functional> using namespace std; #define...
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#include <bits/stdc++.h> #ifdef DEMETRIO #define deb(...) fprintf(stderr,__VA_ARGS__) #define deb1(x) cerr << #x << " = " << x << endl #else #define deb(...) 0 #define deb1(x) 0 #endif #define pb push_back #define mp make_pair #define fst first #define snd second #define fore(i,a,b) for(int i=a,ThxDem=b;i<ThxDem;++i) #...
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Project_CodeNet
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#include <iostream> #include <cstdio> #include <string> #include <vector> #include <algorithm> #include <functional> #include <iomanip> #include <stdlib.h> #include <string.h> #include <cstring> #include <cmath> #include <map> #include <queue> #include <deque> #include <stack> #include <set> #include <stdio.h> #include...
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Project_CodeNet
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#define _USE_MATH_DEFINES #include <iostream> #include <iomanip> #include <stdio.h> #include <sstream> #include <algorithm> #include <iterator> #include <cmath> #include <complex> #include <string> #include <cstring> #include <vector> #include <bitset> #include <queue> #include <set> #include <map> #include <stack>...
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Project_CodeNet
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#include <stdio.h> int main(){ int n, k; scanf("%d%d", &n, &k); long long ans = 0; if (k == 0){ printf("%lld\n", 1ll*n*n); return 0; } for (int b = k+1; b <= n; ++b){ int t = n/b, r = n%b; ans += t*(b-k)+(r>=k?r-k+1:0); } printf("%lld\n", ans); }
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Project_CodeNet
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#include <bits/stdc++.h> #pragma GCC optimize("O3") using namespace std; #define ll long long #define pb push_back //#define mp make_pair #define fr first #define sc second #define MAX ((ll)(1e15+100)) #define ARRS ((ll)(1e6+100)) #define MOD ((ll)(1e9+7)) #define EP ((double)(1e-9)) #define EPS ((double)(1e-8)) #defi...
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Project_CodeNet
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/** * * Author: Mouhanad * Lang: GNU C++14 * **/ #include<bits/stdc++.h> using namespace std; #define F first #define S second #define ii pair < int , int > #define LS pair < ll , string > typedef long long ll; const int inf = 1<<30; const int N =100100; int n , a[N] , k ; int main ( ){ scanf("%d %d",&n,&k); if ( k...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define EACH(i,a) for (auto& i : a) #define FOR(i,a,b) for(int i=(int)a;i<(int)b;++i) #define RFOR(i,a,b) for(int i=(int)b-1;i>=(int)a;--i) #define REP(i,n) FOR(i,0,n) #define RREP(i,n) RFOR(i,0,n) #define ALL(a) (a).begin(),(a).end() #define debug(x) cerr << #x << ":" <<...
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Project_CodeNet
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#include <iostream> using namespace std; int main() { int n,k; scanf("%d%d",&n,&k); long long ans=0; for (int b=k+1;b<=n;b++) ans+=n/b*(b-k)+max(n%b-k+1,0); if (!k) ans-=n; printf("%lld",ans); }
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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; using pii = pair<int, int>; #define REP(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i) #define all(x) (x).begin(),(x).end() #define m0(x) memset(x,0,sizeof(x)) int dx4[4] = {1,0,-1,0}, dy4[4] = {0,1,0,-1}; int main() { ...
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Project_CodeNet
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#include <iostream> #include <math.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <queue> #include <stack> #include <vector> #include <algorithm> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <deque> #include <numeric> #include <sstream> #include <ioman...
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Project_CodeNet
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#include<cstdio> #include<algorithm> using namespace std; int main() { int n,k,i,j;long long ans=0; scanf("%d%d",&n,&k); for(i=k+1;i<=n;++i)for(j=0;j<=n;j+=i)ans+=max(0,min(n+1,j+i)-j-k); printf("%lld",ans-(k?0:n)); }
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Project_CodeNet
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#include<iostream> #include<stdio.h> #include<algorithm> #include<string.h> using namespace std; typedef long long ll; ll n,k; int main() { scanf("%lld%lld",&n,&k); if(k==0) { return printf("%lld\n",n*n),0; } ll ans=0; for(int i=k+1;i<=n;i++) { for(int j=k;j<=n;j+=i) { int nex=min(n,(j+(i-k-1))); an...
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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 FOR(i,m,n) for(int i=int(m); i<int(n); i++) #define ALL(obj) (obj).begin(),(obj).end() #define VI vector<int> #define VLL vector<long long> #define VVI vector<vector<int>> #define VVLL vector<vector<long long>> #define ...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main(){ long long N,K; cin>>N>>K; long long ans=0; if(K == 0){ cout<<N*N<<endl; return 0; } for(long long i=K+1;i<=N;i++){ //cout<<((N+1)/i)*(i-K)<<endl; ans+=((N+1)/i)*(i-K); long long temp=(N+1)/i; if(N+1-i*temp-K>0){ ...
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Project_CodeNet
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#define _GLIBCXX_DEBUG #include <bits/stdc++.h> #include<algorithm> #define ll long long using namespace std; typedef pair<int,int> P; typedef vector<int> vint; typedef vector<vint> vvint; #define rep(i, n) for (int i = 0; i < (int)(n); i++) template<typename T> bool chmax(T &m, const T q) { if (m < q) {m = q; re...
2,390
Project_CodeNet
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#include <bits/stdc++.h> using namespace std; // エイリアス using ll = long signed long; using ull = long unsigned long; using ld = long double; using P = pair<int, int>; using llP = pair<ll, ll>; using DoP = pair<double, double>; // 汎用マクロ #define ALL(a) (a).begin(), (a).end() #define RALL(a) (a).rbegin(), (a).rend() ...
933
Project_CodeNet
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#include <stdio.h> #include <bits/stdc++.h> #define uint unsigned int #define ll long long #define ull unsigned long long #define ld long double #define rep(i, l, r) for (int i = l; i < r; i++) #define repb(i, r, l) for (int i = r; i > l; i--) #define sz(a) (int)a.size() #define fi first #define se second #define mp(a...
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Project_CodeNet
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#include <iostream> using namespace std; #include<string.h> #include<set> #include<stdlib.h> #include<map> #include<stdio.h> #include<math.h> #include<queue> #include<algorithm> #include<cstdio> #include<cmath> #include<cstring> #include <cstdio> #include <cstdlib> #include<stack> #include<vector> #include<cstdlib> con...
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Project_CodeNet
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#include <cstdio> #include <algorithm> 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++) { for (int s = 0; s * i <= n; s++) { if (n - s * i >= i) ans += i - k; else if (n - s * i >= k) ...
148
Project_CodeNet
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#include <iostream> #include <cstdio> typedef long long LL; using namespace std; int main() { LL n,k,ans; while(scanf("%lld%lld",&n,&k) == 2) { ans = 0; if(k) { for(int i = k + 1; i <= n; i++) { LL yu = n%i - k + 1; ans += n/i*...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; #define inf 1e9 #define ll long long #define M 1000000007 #define P pair<int,int> int n,k; ll ans; int main(){ cin>>n>>k; for(int b=1;b<=n;b++){ ans+= (n/b)*max(0,b-k); ans+= max(0,n%b-k+1); } if(k==0) ans-=n; cout<<ans<<endl; return 0; }
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Project_CodeNet
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#ifndef VS #include<bits/stdc++.h> #endif using namespace std; typedef long long LL; #ifdef BTK #define DEBUG if(1) #else #define CIN_ONLY if(1) struct cww {cww() {CIN_ONLY{ios::sync_with_stdio(false); cin.tie(0);}} }star; #define DEBUG if(0) #endif #define ALL(v) (v).begin(),(v).end() #define REC(ret, ...) std::fun...
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Project_CodeNet
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#include <iostream> #include <stack> #include <vector> #include<cstdio> #include<cmath> #include<cstring> #include<algorithm> using namespace std; int main() { long long int n; long long int k; while(cin>>n>>k){ long long int sum=0; long long int i; if(k==0)cout<<n*n<<endl; else{ for(i=k...
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Project_CodeNet
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#include <iostream> #include <vector> #include <algorithm> #include <cmath> #include <set> #define int long long using namespace std; signed main() { int n, k; cin >> n >> k; int ans = 0; for (int a = k + 1; a <= n; a++) { ans += (a - k) * (n / a); int c = n % a; ans += max((int)0, c - k + 1); // cout <<...
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Project_CodeNet
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#pragma once #include <stdio.h> #include <string> #include <iostream> #include <queue> #include <algorithm> #include <sstream> using namespace std; long long result, n,m,k; long long total[2] = {}; long long a[100000] = {}; int main() { cin >> n >> k; result =0; for (int i = k+1; i <= n; i++) { result += ...
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Project_CodeNet
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#include <iostream> #include <cmath> using namespace std; int main(){ long long N, K; cin >> N >> K; if(K==0){ cout << N*N << endl; return 0; } long long ans = 0; for(long long b=K+1; b<=N; ++b){ long long x = b-K; long long y = (N-K)/b; ans += x*y; ans += min(x...
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Project_CodeNet
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#include<iostream> #include<cstdio> #include<algorithm> #include<cstring> #include<vector> #include<queue> #include<stack> #include<cmath> using namespace std; int main(){ long long n,k; long long ans=0,tmp; cin>>n>>k; if(n*n<=1e8){ for(int i=1;i<=n;i++){ for(int j=1;j<=n;j++){ if(i%j>=k){ a...
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Project_CodeNet
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#include <bits/stdc++.h> #define int long long #define pii pair<int,int> #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define ALL(c) (c).begin(),(c).end() #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) #define MINF(a) memset(a,0x3f,sizeof(a)) #define POW(n) (1...
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Project_CodeNet
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#include <bits/stdc++.h> #define REP(i,n) for(int i=0;i<n;i++) #define REPP(i,n) for(int i=1;i<=n;i++) const double PI = acos(-1); const double EPS = 1e-15; long long INF=(long long)1E17; #define i_7 (long long)(1E9+7) long mod(long a){ long long c=a%i_7; if(c>=0)return c; return c+i_7; } using namespace st...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef unsigned int uint; typedef unsigned char uchar; typedef unsigned long long ull; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef vector<int> vi; #define REP(i,x) for(int i=0;i<(int)(x);i++) #define REPS(i,x) for(int i=1;i<=(in...
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Project_CodeNet
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#include<bits/stdc++.h> #define all(x) x.begin(), x.end() using namespace std; using ll = long long; using vi = vector<int>; const int maxn = 1<<18, rt = 1<<10; ll count(int n, int k, int a) { int l = n-a+1; int m = l + (a - l%a)%a; int r = n-k+1; m = min(r, m); return max(0, m-l)*1ll*(l/a + 1) + max(0, r-m)*1ll*(...
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Project_CodeNet
2,018
#include <cmath> #include <iostream> #include <vector> #include <algorithm> #include <string> #include <set> #include <map> #include <list> #include <time.h> #include <math.h> #include <random> #include <deque> #include <queue> #include <cassert> #include <unordered_map> #include <iomanip> #include <bitset> using name...
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Project_CodeNet
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#include<bits/stdc++.h> #include<ext/pb_ds/assoc_container.hpp> #define Rep(i,a,b) for(register int i=(a),i##end=(b);i<=i##end;++i) #define Repe(i,a,b) for(register int i=(a),i##end=(b);i>=i##end;--i) #define For(i,a,b) for(i=(a),i<=(b);++i) #define Forward(i,a,b) for(i=(a),i>=(b);--i) #define Chkmax(a,b) a=a>b?a:b #de...
353
Project_CodeNet
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#include<cmath> #include <bits/stdc++.h> using ll = long long; using namespace std; #define rep(i,n) for(int i=0; i<(int)(n); i++) #define rep2(i,n) for(int i=1; i<=(int)(n); i++) #define reps(i,s,n) for(int i = s; i < n; i++) #define Rreps(i,n,e) for(int i = n - 1; i >= e; --i) int n,k; int main(){ cin >> n>> k; ...
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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##_len=(n); i<i##_len; ++i) #define all(x) (x).begin(),(x).end() using ll = long long; string char_to_string(char val) { return string(1, val); } int char_to_int(char val) { return val - '0'; } template<class T> inline bool chmin(T& a, T ...
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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; int main(){ ll n,k,ans=0; cin>>n>>k; rep(i,n){ ll a=i+1; if(a<=k) continue; else ans+=n/a*(a-k)+(n%a-k+1)*(n%a-k+1>0); } cout<<ans*(k>0)+n*n*(!k); }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; using ll = long long; #define int long long #define LOG(variable) cout << #variable":\t" << (variable) << endl #define LOGCON(i, container) for(int (i) = 0; (i) < (container).size(); ++(i)) cout << (i) << ":\t" << (container)[(i)] << endl #define REP(i, n) for (int i = 0;...
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Project_CodeNet
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#include <bits/stdc++.h> /* #include<algorithm> #include<array> #include<cassert> #include<cmath> #include<cstdlib> #include<functional> #include<iomanip> #include<iostream> #include<map> #include<numeric> #include<queue> #include<set> #include<stack> #include<string> #include<typeinfo> #include<utility> #include<vecto...
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Project_CodeNet
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#include <bits/stdc++.h> #define pii pair<int,int> #define pll pair<ll,ll> #define fr first #define sc second #define ll long long #define mp make_pair #define mod 1000000007 using namespace std; bool v[100100]; int del[100100]; int main() { ll n,k; cin>>n>>k; ll res =0; int i =0 ; for(ll b=k+...
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Project_CodeNet
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#include <cstdio> #include <cstring> #include <algorithm> #include <cmath> typedef long long LL; using namespace std; int n, K; LL res = 0; int main() { while(~scanf("%d%d", &n, &K)) { res = 0; for (int i = 1; i <= n; i++) { int x = n / i, y = n % i; int now = max(0, i - K); if(y != 0) res = res + 1LL ...
173