제출 #152504

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
152504	2019-09-08 08:39:06	dolphingarlic	Brunhilda’s Birthday (BOI13_brunhilda)	C++14	74.13 / 100	592 ms	237652 KiB

brunhilda

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#include <bits/stdc++.h>
#pragma GCC Optimize("O3")
#define FOR(i, x, y) for (int i = x; i < y; i++)
#define MAXN 10000001
typedef long long ll;
using namespace std;
ll dp[MAXN], p[100001], max_divide[MAXN], to[MAXN];
int main() {
    iostream::sync_with_stdio(false);
    cin.tie(0);
    int n, q;
    cin >> n >> q;
    FOR(i, 0, n) cin >> p[i];
    FOR(i, 0, n) for (int j = p[i]; j < MAXN; j += p[i]) max_divide[j] = p[i];
    ll mn = INT_MAX;
    for (int i = MAXN - 1; i > 0; i--) {
        mn = min(mn, i + 1 - max_divide[i + 1]);
        to[i] = mn;
    }
    FOR(i, 1, MAXN) if (to[i] == i) dp[i] = -1;
    else dp[i] = dp[to[i]] + 1;
    FOR(i, 0, q) {
        int x;
        cin >> x;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

brunhilda.cpp:2:0: warning: ignoring #pragma GCC Optimize [-Wunknown-pragmas]
 #pragma GCC Optimize("O3")

• Subtask 1: 17.77777777777778 / 20
• Subtask 2: 17.77777777777778 / 20
• Subtask 3: 38.57142857142857 / 60