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int64
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; #define int long long #define fs first #define sc second #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define sz(x) (int)x.size() #define pb push_back #define fastio ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0) #define MP make_pair #defi...
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#include<bits/stdc++.h> using namespace std; #define pq priority_queue #define MZ 1000000007 int ask(int x,int y,int z) { int now=x/y; now=now*(y-z)+max(0,x%y-z+1); if(z==0) now--; return now; } int main() { int n,k; long long ans=0; scanf("%d%d",&n,&k); for(int i=k+1;i<=n;i+...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; ll n, k, ans; int main() { cin >> n >> k; for(ll b=k+1; b<=n; ++b){ ll qmx = n/b; while(qmx * b + (b-1) > n) --qmx; ans += max(0ll, (++qmx) * (b-k) - (k==0)); ans += max(0ll, n-b*qmx-k+1); } cout << ans << endl; return 0; }
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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 pint = pair<int, int>; using pll = pair<ll, ll>; using pld = pair<ld, ld>; const int INF=1e9+7; const ll LINF=9223372036854775807; const ll MOD=1e9+7; const ld PI=acos(-1); const ld EPS = 1e-10; //微調整用(EPSより小さいと0と判定など) ...
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Project_CodeNet
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#include<cstdio> #include<algorithm> using namespace std; typedef long long LL; LL n,k,ans; int main() { scanf("%lld%lld",&n,&k); for(LL i=n;i>k;i--) { LL x=n/i; ans+=(i-k)*x; LL y=n-i*x-k; if(k) y++; ans+=y>0?y:0; } printf("%lld",ans); }
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Project_CodeNet
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// ARC091 // D - Remainder Reminder #include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef pair<int, int> pii; typedef pair<ll, int> pli; int N, K; int main() { cin >> N >> K; ll ans = 0; for (int b = K + 1; b <= N; b++) { ans += 1LL * N / b * (b - K); ans += max...
158
Project_CodeNet
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#include <iostream> #include<vector> #include<map> #include<algorithm> #include<cstring> #include<string> #include <set> #include <cassert> #include<cmath> #include<climits> #include<iomanip> using namespace std; #define MOD 1000000007 #define rep(i,n) for(int (i)=0;(i)<(n);(i)++) #define ll long long const long long I...
939
Project_CodeNet
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#define _CRT_SECURE_NO_WARNINGS #include <stdio.h> #include <algorithm> #include <utility> #include <functional> #include <cstring> #include <queue> #include <stack> #include <math.h> #include <iterator> #include <vector> #include <string> #include <set> #include <math.h> #include <iostream> #include<map> #include <io...
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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 repr(i, s, e) for(int i=s; i>=e; i--) #define reps(i, s, e) for(int i=s; i<=e; i++) #define inf 1e18 #define all(v) v.begin(),v.end() #define vsort(v) sort(v.begin(), v.end()) #define vsortr(v) sort(v.begin(), v.end(), greater<ll>()) #define sz(x...
591
Project_CodeNet
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#include<iostream> #include<cstdio> #include<algorithm> #include<cmath> #include<vector> #include<set> #include<map> #include<queue> #include<stack> #include<cctype> #include<climits> #include<string> #include<bitset> #include<cfloat> #include<iomanip> #include<numeric> //#define int long long #define repi(i,start,end...
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Project_CodeNet
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#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #define fi first #define se second #define mp make_pair #define pb push_back #define fbo find_by_order #define ook order_of_key typedef long long ll; typedef pair...
242
Project_CodeNet
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#include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #define F first #define S second #define int long long #define ull unsigned long long #define pb push_back #define double long double using namespace std; using namespace __gnu_pbds; typedef tree< int , null_type, less<int>, rb_tree_tag, tree_order_st...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long LL; typedef pair<int , int> P2; typedef pair<pair<int , int> , int> P3; typedef pair<pair<int , int> , pair<int , int> > P4; #define PB(a) push_back(a) #define MP(a , b) make_pair((a) , (b)) #define M3P(a , b , c) make_pair(make_pair((a) , (b)) , (c)) #d...
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Project_CodeNet
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#include <bits/stdc++.h> #include <unordered_map> using namespace std; typedef long long int ll; typedef long double ld; #define rep(i, n) for(ll i = 0; i < (ll)(n); i++) #define repr(i, n) for (ll i = (ll)(n) - 1; i >= 0; i--) #define all(x) (x).begin(),(x).end() #define MOD 1000000007 #define INF (1LL << 62) #defin...
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Project_CodeNet
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#include <iostream> using namespace std; int main() { long n, k, m, s; s = 0; cin>>n>>k; if(k == 0){ cout<<n*n; } else{ for(m=k+1;m<n+1;m++){ s = s + (m-k)*((n-n%m)/m); if((n%m)>=k){ s = s + (n%m)-k+1; } } cout<<s; } }
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Project_CodeNet
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#include <iostream> #include <algorithm> #include <cmath> using namespace std; int main() { int N, K; cin >> N >> K; long long ans = 0; for(int b = 1; b <= N; ++b) { // cout << (N/b) * max(b-K, 0) << endl; // cout << max(0, (N%b)-K+1) << endl; ans += (N/b)*max(b-K, 0) + max(0, (N%b)-K+1); } if(K=...
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Project_CodeNet
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#pragma GCC optimize("Ofast") #include <bits/stdc++.h> #define _GLIBCXX_DEBUG #define rep(i, n) for(int i = 0; i < (int)(n); i++) using namespace std; using ll = long long; const int INF = 1001001001; const int MOD = 1000000007; typedef long long ll; template<typename T> void print(const T & v); int main() { ios...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define rep(i,ini,n) for(int i=ini;i<n;i++) #define _rep(i,ini,n) for(int i=ini;i>=n;i--) #define ToEnd(a) a.begin(),a.end() uint64_t MOD=1000000007; int main(){ int N,K; cin>>N>>K; int64_t ans=0; rep(b,K+1,N+1){ ans+=(N/b)*(b-K); ans+=max(0,N%...
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Project_CodeNet
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#include<iostream> #include<algorithm> #include<vector> #include<queue> #include<stack> #include<cmath> #include<string> #include<functional> using namespace std; typedef long long int ll; int main(){ ll n, k; cin >> n >> k; ll q, r; ll res = 0; for(int i = k+1; i <= n; i++){ r = n-n/i*i; ...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define ll long long #define REP(i,n) for(long long i=0;i<n;++i) #define REPP(i,m,n) for(long long i=m;i<n;++i) #define rep(i,n) for(long long i = n-1;i>=0;--i) #define repp(i,n,m) for(long long i = n-1; i >= m; --i) #define ALL(N) (N.begin(),N.end()) #define de cout << "li...
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Project_CodeNet
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#include <iostream> #include <string> #include <queue> #include <stack> #include <algorithm> #include <list> #include <vector> #include <complex> #include <utility> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <climits> #include <bitset> #include <ctime> #include <map> #include <uno...
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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)++) #define repp(i,m,n) for(int (i)=(m);(i)<(n);(i)++) #define repm(i,n) for(int (i)=(n-1);(i)>=0;(i)--) #define INF (1ll<<60) #define all(x) (x).begin(),(x).end() typedef long long lint; const lint MOD =1000000007; const lint MAX =...
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Project_CodeNet
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// I look at my watch // it say nine twenty-five // And I think oh God // I'm still alive #include <bits/stdc++.h> #define ff first #define ss second #define pb push_back #define mp make_pair #define sz(x) int((x).size()) #define all(v) (v).begin(),(v).end() #define trace(x) cerr << #x << " = " << x << endl #define f...
287
Project_CodeNet
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#include<bits/stdc++.h> using namespace std; main() { long long n,k; scanf("%lld %lld",&n,&k); long long ans=0; for(long long b=k+1;b<=n;b++) { long long mx_q=n/b; ans+=(mx_q)*(b-k); ans+=max(n%b-k+1,0LL); //printf("%lld\n",ans); } if(k==0) ans=n*n; ...
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Project_CodeNet
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#include<iostream> #include<cstdio> #include<cstring> #include<algorithm> #include<vector> #include<queue> #include<set> #include<map> #define ll long long using namespace std; int n,K; ll ans=0; int read() { int x=0,f=1;char ch=getchar(); for(;ch<'0'||ch>'9';ch=getchar()) if(ch=='-') f=-1; for(;ch>='0'&&ch<='9';ch=...
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Project_CodeNet
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#include <iostream> #include <climits> #include <stack> #include <queue> #include <string> #include <random> #include <utility> #include <cmath> #include <string.h> #include <iomanip> #include <stdlib.h> #include <algorithm> #include <vector> using namespace std; typedef long long ll; typedef pair<ll,ll> P; long long i...
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Project_CodeNet
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#include <iostream> #include <stdio.h> using namespace std; int main() { long long n,k; cin>>n>>k; long long num=0; if(k==0)num=n*n; else { for(int b=k+1;b<=n;b++) /* (2,3),(5,3),(2,4),(3,4),(2,5),(3,5) and (4,5).*/ { num+=(n/b)*(b-k); if(n%b>=...
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Project_CodeNet
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/** * iN thE namE oF AllaH * |__________________| * m_a_k_e m_e W_I_N_N_E_R o_f S_M_I_L_E :( **/ #include "bits/stdc++.h" using namespace std; #define FasterIO ios_base::sync_with_stdio(false);cin.tie(NULL); cout.tie(NULL); typedef long long int ll; typedef double dd; typedef pair<ll,ll>...
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Project_CodeNet
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#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/detail/standard_policies.hpp> using namespace __gnu_pbds; #if !ONLINE_JUDGE #define debug #endif using namespace std; /******* All Required define Pre-Processors and typedef Constants *******...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; int main() { int N, K; cin >> N >> K; long long ans = 0; for (long long b = 1; b <= N; b++) { long long p = N / b, r = N % b; ans += p * max(0ll, b - K) + max(0ll, 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; typedef long long ll; typedef unsigned long long ull; int main() { ll N, K; cin >> N >> K; ll res = 0; for(int b=K+1; b<=N; b++){ res += (N/b)*(b-K); if(N%b>=K) res += (N)%b-K + (K==0? 0:1); } cout<<res<<endl; return 0; }
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; #define P pair<ll,ll> #define FOR(I,A,B) for(ll I = ll(A); I < ll(B); ++I) #define FORR(I,A,B) for(ll I = ll((B)-1); I >= ll(A); --I) #define TO(x,t,f) ((x)?(t):(f)) #define SORT(x) (sort(x.begin(),x.end())) // 0 2 2 3 4 5 8 9 #define POSL(x,v) (lower_...
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Project_CodeNet
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#include<iostream> #include<algorithm> using namespace std; int main(){ int n, k, s; long long ans = 0; cin >> n >> k; for(int i = k+1; i <= n; i++){ if(k){ if(n%i-k>=0) s = n%i-k+1; else s = 0; }else s = n%i; ans += n/i*(i-k) + s; } cout << ans << endl; }
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Project_CodeNet
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#include <iostream> #include <algorithm> #include <cmath> #include <stdio.h> #include <stdlib.h> #include <vector> #include <map> #include <queue> #include <set> #include <string> #include <string.h> #include <stack> #define Endl endl #define mp make_pair #define rep(N) for(int i=0;i<N;i++) #define repj(N) for(int j=0;...
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Project_CodeNet
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#include<iostream> #include<algorithm> #include<functional> #include<cmath> #include<string> #include<vector> #include<stack> #include<queue> #include<map> #include<set> #include<deque> using namespace std; #define ll long long const int mod = 1000000007; const ll INF = 1000000000000000000; const int MOD = 998244353; ...
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Project_CodeNet
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#include <iostream> #include <algorithm> #include <vector> #include <queue> #include <cstring> #include <set> #include <map> #include <cstdio> using namespace std; typedef long long ll; typedef pair<ll,ll> P; #define F first #define S second ll n,k,ans; int main(void){ cin>>n>>k; if(k==0){ cout<<n*n<<en...
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Project_CodeNet
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#include<bits/stdc++.h> using namespace std; #define inf 0x3f3f3f3f #define LL long long #define N 2050 LL n,k; int main(){ cin>>n>>k; LL down=0; if(k==0){ cout<<n*n<<endl; return 0; } for(int i=k+1;i<=n;++i){ LL ri=n/i*i,times=n/i; int add=(i-k)*times; if(n-ri<k); else add+=(n-ri)-k+1; down+=add;...
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Project_CodeNet
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#include <iostream> #include <string> #include <algorithm> #include <vector> #include <stack> #include <queue> #include <list> #include <set> #include <map> #include <numeric> #include <regex> #include <tuple> #include<iomanip> using namespace std; typedef long long ll; typedef pair<int, int> P; #define MOD 1000000007...
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Project_CodeNet
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#define _CRT_SECURE_NO_WARNINGS #define _USE_MATH_DEFINES #include <iostream> #include <utility> #include <algorithm> #include <set> #include <map> #include <string> #include <queue> #include <functional> #include <stdlib.h> #include <climits> #include <iomanip> #include <complex> #include <cmath> using namespace std; ...
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Project_CodeNet
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#include <bits/stdc++.h> #define For(i, j, k) for (int i = j; i <= k; i++) using namespace std; int main() { int n, k; scanf("%d%d", &n, &k); if (!k) { printf("%lld\n", 1ll * n * n); return 0; } long long ans = 0; For(i, k + 1, n) { ans += 1ll * (n / i) * (i - k); ans += max(0, n % i - (k - 1)); ...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; using Graph = vector<vector<int>>; #define ll long long #define _GLIBCXX_DEBUG const ll MOD = 1000000007; const ll Mod = 998244353; const int MAX = 510000; const double PI = 3.14159265358979; const vector<int> dx = {1, 0}; const vector<int> dy = {0, 1}; int main() { ll N...
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Project_CodeNet
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#include <iostream> #include <algorithm> #include <cmath> #include <vector> #include <string> #include <queue> #include <utility> #include <map> #include <bitset> #include <numeric> #define ll long long using namespace std; using p = pair<ll, ll>; ll dx[8]={ 0, 1, 0,-1, 1, 1,-1,-1}; // x軸方向への変位 ll dy[8]={ 1, 0,-1, 0, 1...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define vec vector #define ALL(x) (x).begin(), (x).end() typedef unsigned int ui; typedef long long ll; typedef long double ld; typedef pair< int, int > pii; typedef pair< long long, long long > pll; const int inf = 1e9; const ll inf64 = 1e18; int main() { #ifdef debu...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for(int i = a; i < (b); ++i) #define all(x) begin(x), end(x) #define sz(x) (int)(x).size() typedef long long ll; typedef pair<int, int> pii; typedef vector<int> vi; int main() { cin.tie(0)->sync_with_stdio(0); cin.exceptions(cin.failbit); ll n, k;...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; #define rep(i,s,n) for(int i = s;i<n;i++) #define repe(i,s,n) for(int i = s;i<=n;i++) #define pb push_back #define fi first #define se second typedef long long ll; typedef pair<int,int>pint; typedef vector<int>vint; typedef vector<pint>vpint; static const ll maxLL = (ll)1 <...
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Project_CodeNet
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#include <bits/stdc++.h> using std::pair; using std::vector; using std::string; typedef long long ll; typedef pair<int, int> pii; #define fst first #define snd second #define pb(a) push_back(a) #define mp(a, b) std::make_pair(a, b) #define debug(...) fprintf(stderr, __VA_ARGS__) template <typename T> bool chkmax(T&...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; int main() { int n, k; cin >> n >> k; long r = 0; for (int b = k + 1; b <= n; b++) r += k ? n / b * (b - k) + max(0, n%b + 1 - k) : n; cout << r << endl; return 0; }
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Project_CodeNet
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#include "bits/stdc++.h" #define MAXN 100009 #define INF 1000000007 #define mp(x,y) make_pair(x,y) #define all(v) v.begin(),v.end() #define pb(x) push_back(x) #define wr cout<<"----------------"<<endl; #define ppb() pop_back() #define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++) #define ff firs...
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Project_CodeNet
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#include <bits/stdc++.h> typedef long long lint; using namespace std; #define rep(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i) // .##.##.##.# void solve(lint n,lint k) { /* lint ansa = 0; for (int a=1; a<=n; a++) { for (int b=1; b<=n; b++) { if (a%b >= k) ansa ++; } } ...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace::std; #define all(x) (x).begin(), (x).end() #define sz(x) (int)(x).size() typedef long long ll; typedef array<ll, 3> tri; typedef long double ld; template <class T> istream& operator>>(istream& I, vector<T>& v) {for (T &e: v) I >> e; return I;} template <class T> ostream& ope...
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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 b=1; b<=N; b++){ ans += N/b * max(b-K,0ll); if(N%b){ ans += max(N%b - K + 1,0ll); } } if(K == 0) ans = N*N; cout<<ans<<endl; }
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#include <iostream> #include <vector> #include <queue> #include <map> #include <functional> #include <algorithm> int main() { int N, K; std::cin >> N >> K; long long ans = 0; for (int b = K + 1; b <= N; ++b) { ans += (N / b) * (b - K); if (K) { ans += N % b >= K ? N % b - K + 1 : 0; } else { ...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; using ll = long long; using Graph = vector<vector<int>>; int main() { ll n,k; cin>>n>>k; ll ca=10000000000; ll counter=0; ll a[n]={}; ll cb=10000000000; if(k==0){ cout<<n*n<<endl;} else{ for(ll i=k+1;i<=n;i++){ if(n%i>=k){ counter+=n/i*(i-k)+n%i+1-k;} else counter+=n/i*(i...
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Project_CodeNet
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#ifdef LOCAL #include <cstdio> #include <vector> #include <algorithm> #include <iostream> #include <cstring> #else #include <bits/stdc++.h> #endif using namespace std ; typedef long long ll ; #define rep(i , n ) for ( int i =0; i < n ; i++) #define _sort(arg) sort(begin(arg), end(arg)) #define MOD 1000000007 #define p...
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Project_CodeNet
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#include<cstdio> #include<cstdlib> #include<cstring> #include<iostream> #include<algorithm> using namespace std; typedef long long ll; const int INF=1e9; const long double eps=1e-9; inline ll read(){ ll x=0,flag=1; char ch=getchar(); while(!isdigit(ch) && ch!='-')ch=getchar(); if(ch=='-')flag=-1,ch=getchar(); whil...
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Project_CodeNet
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#include <iostream> #include <string> #include <map> #include <queue> #include <algorithm> #include <vector> #include <math.h> #include <bitset> #include <cmath> #include <set> #define rep(i,s,n)for(int i = s;i<n;i++) #define repe(i,s,n)for(int i = s;i<=n;i++) #define rep_r(i,s,n)for(int i = n-1;i>=0;i--) #define rep_...
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Project_CodeNet
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#include<cstdio> using namespace std; long long n,k; int main(){ scanf("%lld%lld",&n,&k); if(!k) return printf("%lld\n",n*n),0; long long ans=0; for(int i=1;i<=n-k;i++){ long long b=k+i; ans+=(n/b)*i; if(n%b>=k)ans+=n%b-k+1; } printf("%lld\n",ans); return 0; }
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Project_CodeNet
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#include <iostream> #define rep(i, n) for (int i = 0; i < (n); ++i) using namespace std; int main(void) { int64_t N, K; cin >> N >> K; if(K == 0) { int64_t answer = N * (N - K); cout << answer << endl; return 0; } int64_t answer = 0; for (int64_t b = K + 1; b <= N; ++b) { // N = pb + q; ...
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Project_CodeNet
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#include <bits/stdc++.h> using namespace std; typedef long long ll; ll tot = 0; int main(){ ios_base::sync_with_stdio(false); cin.tie(0); int N, K; cin >> N >> K; for (int i = K+1; i <= N; ++i){ tot += (N - min(K,N%i+1) - (N/(i))*(K)); if (K > 0) tot++; } cout << tot << '\n'; cout << fl...
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Project_CodeNet
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#include <iostream> #include <algorithm> #include <queue> #include <vector> using namespace std; typedef long long ll; ll n,k; ll ans=0; int main() { cin.tie(0); ios::sync_with_stdio(false); cin >> n >> k; for(int b=k+1;b<=n;b++){ ll q=n/b; ans+=q*(b-k); if(n%b>=k){ ans+=(n%b-k+1); } ...
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Project_CodeNet
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#include <iostream> #include <string> #include <vector> #include <algorithm> #include <utility> #include <tuple> #include <cstdint> #include <cstdio> #include <map> #include <queue> #include <set> #include <stack> #include <deque> #include <unordered_map> #include <unordered_set> #include <bitset> #include <cctype> #in...
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Project_CodeNet
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#include <bits/stdc++.h> #define pb push_back #define rep(i,n) for(int i=0;i<(n);i++) #define reps(i,n,s) for(int i=(s);i<(n);i++) #define rrep(i,n) for(int i=(n-1);i>=0;i--) #define rreps(i,n,s) for(int i=s;i>=n;i--) #define MOD 1000000007 using ll = long long; using namespace std; template<class T> bool chmax(T &a, c...
264
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; using ll = long long; const int inf = 1e9 + 7; const ll longinf = 1LL << 60; const ll mod = 1e9 + 7; int main() { ll N, K; cin >> N >> K; if(K == 0) { cout << N * N << "\n"; return 0; } ll ans = 0; for(int i = K + 1; i <= N; i++) { ...
166
Project_CodeNet
2,018
#include <iostream> using namespace std; int main(void) { long long N, K; cin >> N >> K; if (K == 0) { cout << N * N << endl; return 0; } long long ans = 0; for (long long i = 1; i <= N; ++i) { if (i - 1 >= K) { ans += (i - K) * (N / i); ans += ...
139
Project_CodeNet
2,018
#include<bits/stdc++.h> using namespace std; const int MaxN = 2e5 + 25; const int MOD = 1e9 + 7; int main() { // freopen("input.txt", "r", stdin); ios_base :: sync_with_stdio(false); cin.tie(NULL); int n, k; cin >> n >> k; if(k == 0) { cout << n * 1ll * n << '\n'; retur...
228
Project_CodeNet
2,019
#include <bits/stdc++.h> #define MAXN 100100 #define pii pair<int, int> #define pb push_back typedef long long ll; using namespace std; ll n, k; ll ans = 0; //12012 int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n >> k; for(ll b = k + 1; b <= n; b++){ ans += (n / b) * (b - k); ...
161
Project_CodeNet
2,019
#include <iostream> #include <algorithm> using namespace std; typedef long long ll; int main() { ll n, k; cin >> n >> k; ll ans = 0; ll zero = 0; for(ll i = k + 1; i <= n; i++){ ans += (n / i) * (i - k); ans += max(zero, n - ((n / i) * i - 1 + k)); } if(k == 0) ans -= n; ...
121
Project_CodeNet
2,018
#include <bits/stdc++.h> using namespace std; #define REP(i,n) for(int i=0;i<n;i++) #define REPR(i,n) for(int i=n;i>=0;i--) #define EPS (1e-7) typedef long long ll; typedef pair<int,int> pii; typedef pair<ll,ll> pll; typedef pair<double,double> pdd; typedef pair<double,int> pdi; int vx[]={0,0,-1,1}; int vy[]={1,-1,0...
312
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; /* typedef */ typedef long long ll; typedef pair<int, int> pii; /* constant */ const int INF = 1 << 30; const ll LINF = 1LL << 50; const int NIL = -1; const int MAX = 100005; const int mod = 1000000007; const double pi = 3.141592653589; /* global variables */ int K, N; /* f...
205
Project_CodeNet
2,020
#include <iostream> #include <vector> #include <algorithm> #include <string> #include <set> #include <queue> #include <stack> #include <tuple> #include <cmath> #include <iomanip> #include <map> #include <stdio.h> #include <cstring> //memset(dp,0,sizeof(dp)) #include <functional> //operator[] #define ll long long #defin...
327
Project_CodeNet
2,019
// // ROIGold.cpp // Main calisma // // Created by Rakhman on 05/02/2019. // Copyright © 2019 Rakhman. All rights reserved. // #include <cstring> #include <vector> #include <list> #include <map> #include <set> #include <deque> #include <stack> #include <bitset> #include <algorithm> #include <functional> #include <...
412
Project_CodeNet
2,018
#include <bits/stdc++.h> using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define rep(i,n) FOR(i,0,n) #define pb emplace_back typedef long long ll; typedef pair<int,int> pint; int main(){ ll n,k; cin>>n>>k; ll sum=0; if(k==0) { cout<<n*n<<endl; return 0; } for...
155
Project_CodeNet
2,018
#include <bits/stdc++.h> using namespace std; int main(){ int n, k; cin >> n >> k; long long ans = 0; for(int i = k + 1; i <= n; ++i){ ans += (n / i) * 1LL * (i - k); if(n % i >= k) ans += (n % i) - k + 1; } if(k == 0) ans -= n; cout << ans << endl; return 0; }
110
Project_CodeNet
2,018
#include <stdio.h> int main() { long long n,k,b,ans; scanf("%lld%lld",&n,&k); if (k==0) {printf("%lld",n*n);return(0);} ans=0; for (b=k;b<=n;b++) { if (n%b<k) ans+=(b-k)*(n/b); else ans+=(b-k)*(n/b)+(n%b)-k+1; } printf("%lld",ans); return(0); }
115
Project_CodeNet
2,018
// Believe in yourself... #include<bits/stdc++.h> #define MP make_pair #define PB push_back #define PF push_front #define POB pop_back #define POF pop_front #define F first #define S second #define sz(c) (c).size() #define REP(i,n) for(ll i=0;i<n;i++) #define REPD(i,n) for(ll i=n-1;i>=0;i--) #define FOR(i,a,b) for(ll ...
377
Project_CodeNet
2,020
#include <bits/stdc++.h> //typedef //-------------------------#include <bits/stdc++.h> const double pi = 3.141592653589793238462643383279; using namespace std; //conversion //------------------------------------------ inline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v; } template <c...
2,367
Project_CodeNet
2,019
#include <stdio.h> #include <algorithm> #include <iostream> #include <vector> #include <assert.h> #include <map> #include <set> #include <unordered_set> #include <unordered_map> #include <math.h> #include <string> #include <string.h> #include <queue> #include <complex> #include <iomanip> #include <stack> using namespac...
867
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, a, b) for(int i = a; i < b; i++) #define all(x) (x).begin(),(x).end() // 昇順ソート #define rall(v) (v).rbegin(), (v).rend() // 降順ソート #define FastIO ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0) ty...
310
Project_CodeNet
2,020
#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 <cmath> #include <cst...
507
Project_CodeNet
2,018
#include<iostream> #include<vector> #include<cmath> int main(){ long long answer=0; int n, k; std::cin>> n>> k; for(int i=k+1; i<=n; i++){ int dev= n/i; int mod= n%i; answer+= dev*(i-k); if(mod-k>= 0){ answer+= mod-k; if(k> 0) answer++; } } std::cout<<answer<<std::endl; return 0; }
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Project_CodeNet
2,020
#include <algorithm> #include <array> #include <bitset> #include <cassert> #include <cctype> #include <cstdint> #include <cstdlib> #include <cmath> #include <complex> #include <chrono> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <memory> #include <numeric> #incl...
1,051
Project_CodeNet
2,018
#include <cstdio> #include <algorithm> using namespace std; int main() { int n, k, i; long long ans = 0; scanf("%d %d", &n, &k); if (k == 0) { printf("%lld\n", (long long)n * n); return 0; } for (i = k + 1; i <= n; i++) { ans += n / i * (i - k); a...
140
Project_CodeNet
2,018
#include <iostream> #include <algorithm> #include <vector> using namespace std; int main(){ long N, K; cin >> N >> K; if(!K){ cout << N * N << endl; return 0; } long ans = 0; for(long i = K + 1; i <= N; i++){ ans += (N + i) / i * (i - K) - min((i * long(1e9) - (N + 1)) %...
127
Project_CodeNet
2,018
#include <cstdio> #include <cstring> #include <cmath> #include <algorithm> using namespace std; typedef long long LL; int main() { LL a, b; scanf("%lld %lld", &a, &b); LL ans = 0; for(int i = b; i <= a; i++) { ans = ans + (a - i); } for(int i = b + 1; i <= a - b; i++) { int t = (a - i) / i; int qw = i - ...
175
Project_CodeNet
2,020
#include <bits/stdc++.h> using ll = long long; using namespace std; const int INFint = 2e9+1; const ll INFll = 2e18+1; ll MOD=1e9+7; int main() { ll N,K; cin>>N>>K; ll tmp(0); for(int b(1);b<=N;b++){ //cout << tmp << endl; if(b <= K){ tmp += N; }else{ tmp += max(((N/b+1)*K)-1,0ll); ...
170
Project_CodeNet
2,020
#include<iostream> #include<iomanip> #include<cmath> #include<string> #include<cstring> #include<vector> #include<list> #include<algorithm> #include<map> #include<set> #include<queue> #include<stack> using namespace std; typedef long long ll; #define fi first #define se second #define mp make_pair #define rep(i, n) for...
249
Project_CodeNet
2,018
#include<bits/stdc++.h> using namespace std; int read() { int ans=0; char ch=getchar(); for(;(ch<'0' || ch>'9') && ch!='-';ch=getchar()); bool flag=false; if(ch=='-') { flag=true; ch=getchar(); } for(;ch>='0' && ch<='9';ch=getchar())ans=ans*10+ch-'0'; return flag?-ans:ans; } long long rell() { long long...
499
Project_CodeNet
2,019
#include <stdio.h> #include <set> #include <map> #include <unordered_map> #include <unordered_set> #include <list> #include <queue> #include <stack> #include <cmath> #include <ctime> #include <cstdio> #include <vector> #include <string> #include <bitset> #include <cctype> #include <cstdlib> #include <cstring> #include ...
460
Project_CodeNet
2,020
#include<bits/stdc++.h> using namespace std; using ll = long long; using P = pair<ll,ll>; using vl = vector<ll>; using Map = map<ll,ll>; using T = tuple<ll,ll,ll>; using vvl = vector<vector<ll>>; #define all(v) v.begin(), v.end() #define print(v) cout<<v<<endl; #define fi(v) get<0>(v) #define se(v) get<1>(v) #define th...
284
Project_CodeNet
2,018
#include <bits/stdc++.h> using namespace std; int n, k, b, q; long long res; int main() { scanf("%d%d",&n,&k); for (b=k+1;b<=n;b++)for (q=0;b*q<=n;q++) res += max(min(n-b*q,b-1)-max(k,1-b*q)+1,0); printf("%lld\n",res); return 0; }
97
Project_CodeNet
2,018
#define REP(i, s, e) for(register long long i = s; i <= e ;i++) #define DREP(i, s, e) for(register long long i = s; i >= e ;i--) #define DEBUG fprlong longf(stderr, "Passing [%s] in LINE %d\n", __FUNCTION__, __LINE__) #define chkmin(a, b) a = min(a, b) #define chkmax(a, b) a = max(a, b) #include <bits/stdc++.h> usi...
400
Project_CodeNet
2,018
#include <bits/stdc++.h> using namespace std; #define long long long #define INF (long) 1e18 #define MOD 1'000'000'007 #define mll map<long, long> #define pll pair<long, long> #define umap unordered_map #define umll umap<long, long> #define uset unordered_set #define pb push_back #define FOR(i, a, b) \ for (long i ...
317
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; #define REP(i, n) for (ll (i) = 0 ; (i) < (ll)(n) ; ++(i)) #define REPN(i, m, n) for (ll (i) = m ; (i) < (ll)(n) ; ++(i)) #define REP_REV(i, n) for (ll (i) = (ll)(n) - 1 ; (i) >= 0 ; --(i)) #define REPN_REV(i, m, n) for (ll (i) = (ll)(n) - 1 ; (i) >= m ; --(i)) #define I...
384
Project_CodeNet
2,018
#include "bits/stdc++.h" using namespace std; #define fi first #define se second #define ll long long #define dbg(v) cerr<<#v<<" = "<<v<<'\n' #define vi vector<int> #define vl vector <ll> #define pii pair<int,int> #define mp make_pair #define db long double #define pb push_back #define all(s) s.begin(),s.end() template...
276
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; #define d(x) cerr << #x ":" << x << endl; #define dd(x, y) cerr << "(" #x "," #y "):(" << x << "," << y << ")" << endl #define rep(i, n) for (int i = (int)(0); i < (int)(n); i++) #define repp(i, a, b) for (int i = (int)(a); i < (int)(b); i++) #define all(v) v.begin(), v.en...
663
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main() { ll n,k; cin >> n >> k; if(k==0) { cout<<n*n<<endl; return 0; } ll ans = 0; for(ll i = 1;i<=n;i++) { if(i-k<=0)continue; ll asd = n/i * (i-k); ans += asd; ll qwe = max(n%i-k+1,0LL); ans += qwe; } cout<<ans<<endl; ...
134
Project_CodeNet
2,018
#include <bits/stdc++.h> using namespace std; #define INF_LL (int64)1e18 #define INF (int32)1e9 #define REP(i, n) for(int i = 0;i < (n);i++) #define FOR(i, a, b) for(int i = (a);i < (b);i++) #define all(x) x.begin(),x.end() #define fs first #define sc second using int32 = int_fast32_t; using uint32 = uint_fast32_t; u...
498
Project_CodeNet
2,018
#define _CRT_SECURE_NO_WARNINGS #include <stdio.h> #include <string.h> #include <algorithm> #include <set> #include <map> #include <vector> #include <math.h> #include <queue> #include <stack> #include <list> #include <functional> #include <numeric> #include <iostream> using namespace std; typedef long long ll; #defin...
221
Project_CodeNet
2,018
#include <bits/stdc++.h> #define pb push_back #define mp make_pair #define CLR(a) memset(a, 0, sizeof(a)) #define DBG(x) cout<<(#x)<<"="<<x<<endl #define FOR(i, a, b) for(int i=(a); i<(b); i++) #define REP(i, a, b) for(int i=(a); i<=(b); i++) #define DOWN(i, a, b) for(int i=(a); i>=(b); i--) using namespace std; ty...
324
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define P pair<int,int> int main(){ int n,k; cin>>n>>k; ll ans=0; for(int b = k+1; b<=n; b++){ if(n%b<k) ans+=n/b*(b-k); else ans+=n/b*(b-k)+n%b-k+1; } if(k==0) ans-=n; cout<<a...
134