제출 #1110227

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1110227		vjudge1	Tower (JOI24_tower)	C++17	5 / 100	63 ms	20552 KiB

Main

#include<bits/stdc++.h>
using namespace std;
int n,q;
long long d,a,b;
long long f[2000000];
int k[2000000];
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    if(fopen("c.INP","r")){
        freopen("c.INP","r",stdin);
        freopen("c.OUT","w",stdout);
    }
    cin >>n>>q;
    cin >>d>>a>>b;
    while(n--){
        int l,r;
        cin >>l>>r;
        k[l]++;
        k[r+1]--;
    }
    for(int i=1;i<=1000000;i++){
        k[i]+=k[i-1];
        if(k[i])f[i]=1e17;
        else{
            if(i>=d)f[i]=min(f[i-1]+a,f[i-d]+b);
            else f[i]=f[i-1]+a;
        }
    }
    while(q--){
        int x;
        cin >>x;
        if(f[x]<1e17)cout <<f[x]<<'\n';
        else cout <<-1<<'\n';
    }
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:12:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |         freopen("c.INP","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~
Main.cpp:13:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |         freopen("c.OUT","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 38
• Subtask 3: 0 / 25
• Subtask 4: 0 / 32