結果
| 問題 |
No.1233 割り切れない気持ち
|
| コンテスト | |
| ユーザー |
minato
|
| 提出日時 | 2020-09-18 22:11:15 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,260 bytes |
| コンパイル時間 | 2,349 ms |
| コンパイル使用メモリ | 221,336 KB |
| 最終ジャッジ日時 | 2025-01-14 17:17:12 |
|
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 18 WA * 21 |
ソースコード
//#pragma GCC target("avx2,avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
//#include <atcoder/all>
//using namespace atcoder;
//using mint = modint998244353;
//using mint = modint1000000007;
#include <bits/stdc++.h>
using namespace std;
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
//using i128 = __int128_t;
using ll = long long;
using ull = unsigned long long;
using pii = pair<int, int>;
using pll = pair<long long, long long>;
#define rep(i, n) for(int i = 0; i < (n); ++i)
#define all(x) (x).begin(),(x).end()
#define SZ(x) ((int)(x).size())
constexpr char ln = '\n';
template<class T1, class T2> inline bool chmax(T1 &a, T2 b) {if (a < b) {a = b; return true;} return false;}
template<class T1, class T2> inline bool chmin(T1 &a, T2 b) {if (a > b) {a = b; return true;} return false;}
inline int topbit(int x) {return x == 0 ? -1 : 31-__builtin_clz(x);}
inline int topbit(long long x) {return x == 0 ? -1 : 63-__builtin_clzll(x);}
inline int botbit(int x) {return x == 0 ? 32 : __builtin_ctz(x);}
inline int botbit(long long x) {return x == 0 ? 64 : __builtin_ctzll(x);}
inline int popcount(int x) {return __builtin_popcount(x);}
inline int popcount(long long x) {return __builtin_popcountll(x);}
inline int kthbit(long long x, int k) {return (x>>k)&1;}
inline void print() {cout << "\n";}
template<class T>
inline void print(const vector<T> &v) {
for (auto itr = v.begin(); itr != v.end(); ++itr) cout << *itr << " ";
print();
}
template<class T, class... Args>
inline void print(const T &x, const Args &... args) {
cout << x << " ";
print(args...);
}
#ifdef MINATO_LOCAL
#define dump(x) cerr << __LINE__ << " : " << #x << " = " << (x) << endl;
inline void debug() {cerr << endl;}
template<class T>
inline void debug(const vector<T> &v) {
for (auto itr = v.begin(); itr != v.end(); ++itr) cerr << *itr << " ";
debug();
}
template<class T, class... Args>
inline void debug(const T &x, const Args &... args) {
cerr << x << " ";
debug(args...);
}
#else
#define dump(x) void(0)
inline void debug() {}
template<class T> inline void debug(const vector<T> &v) {}
template<class T, class... Args> inline void debug(const T &x, const Args &... args) {}
#endif
struct Fast_ios {Fast_ios() {cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20);};} fast_ios;
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
const int MAX = 200000;
int main() {
int N; cin >> N;
vector<ll> A(N);
rep(i,N) {
cin >> A[i];
}
sort(all(A));
vector<ll> CA(N+1);
rep(i,N) CA[i+1] = CA[i]+A[i];
auto get=[&](int l, int r) {return CA[r]-CA[l];};
ll ans = 0;
ll pre = 0;
rep(i,N) {
if (i and A[i]==A[i-1]) {
ans += pre;
continue;
}
pre = 0;
for (int r = A[i]; r <= MAX+1; r += A[i]) {
int l = r-A[i];
ll c = l/A[i];
int p = lower_bound(all(A),l) - A.begin();
int q = lower_bound(all(A),r) - A.begin();
pre += get(p,q) - c*A[i]*(q-p);
}
ans += pre;
}
cout << ans << ln;
}
minato