제출 #1137317

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1137317		danglayloi1	조교 (CEOI16_popeala)	C++20	0 / 100	5 ms	9028 KiB

popeala

#include <bits/stdc++.h>
#define ii pair<int, int>
#define fi first
#define se second
#define inf 0x3f3f3f3f3f3f3f3f
using namespace std;
using ll = long long;
const ll mod=1e9+7;
const int nx=2e4+5;
int n, t, s, last[nx][55];
ll a[nx], dp[55][nx];
char c[55][nx];
int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    freopen("popeala.in", "r", stdin);
    freopen("popeala.out", "w", stdout);
    cin>>n>>t>>s;
    for(int i = 1; i <= t; i++)
        cin>>a[i], a[i]+=a[i-1];
    for(int i = 0; i < n; i++)
    {
        for(int j = 1; j <= t; j++)
        {
            cin>>c[i][j];
            last[j][i]=(c[i][j]=='1')?last[j-1][i]:j;
        }
    }
    for(int i = 1; i <= t; i++)
    {
        last[i][n]=i;
        sort(last[i], last[i]+n+1);
    }
    memset(dp, 0x3f, sizeof(dp));
    dp[0][0]=0;
    for(int i = 1; i <= s; i++)
    {
        for(int j = 1; j <= t; j++)
        {
            for(int k = 0; k <= n; k++)
            {
                ll tmp=inf;
                for(int p = last[j-1][k]; p < last[j][k]; p++)
                    tmp=min(tmp, dp[i-1][p]-1ll*a[p]*k);
                dp[i][j]=min(dp[i][j], tmp+1ll*a[j]*k);
            }
        }
        cout<<dp[i][t]<<'\n';
    }
}

컴파일 시 표준 에러 (stderr) 메시지

popeala.cpp: In function 'int main()':
popeala.cpp:16:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |     freopen("popeala.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
popeala.cpp:17:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |     freopen("popeala.out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 74