Submission #1110239

#	Time	Username	Problem	Language	Result	Execution time	Memory
1110239		vjudge1	Escape Route 2 (JOI24_escape2)	C++17	6 / 100	339 ms	7008 KiB

Main

#include<bits/stdc++.h>
using namespace std;
int n;
long long t;
long long a[2010],b[2010];
int q;
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>>t;
    for(int i=1;i<n;i++){
        int x;
        cin >>x>>a[i]>>b[i];
    }
    cin >>q;
    while(q--){
        int s,e;
        cin >>s>>e;
        long long asw=-a[s];
        long long cr=0;
        for(int i=s;i<e;i++){
            if(cr>a[i]){
                asw=asw+t-cr;
                cr=0;
            }
            asw=asw+b[i]-cr;
            cr=b[i];
        }
        cout <<asw<<'\n';
    }
}

Compilation message (stderr)

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: 6 / 6
• Subtask 2: 0 / 8
• Subtask 3: 0 / 17
• Subtask 4: 0 / 23
• Subtask 5: 0 / 36
• Subtask 6: 0 / 10