Submission #1287871

#	Time	Username	Problem	Language	Result	Execution time	Memory
1287871		quocbaoo	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++20	0 / 100	67 ms	4312 KiB

sortbooks

#include<bits/stdc++.h>
#define fi first
#define se second
#define ll long long
using namespace std;
int n,m,a[1000005];
namespace sub1{
    void xuly(){
        while (m--){
            int l,r,w;cin>>l>>r>>w;int ma=0;
            for (int i=l;i<=r;i++){
                for (int j=l+1;j<=r;j++){
                    if (a[i]>a[j]){
                        ma=max(ma,a[i]+a[j]);
                    }
                }
            }
            if (ma>w) cout<<"0"<<'\n';
            else cout<<"1"<<'\n';
        }
    }
}
int main(){
    if (fopen("sortbooks.inp","r")){
        freopen("sortbooks.inp","r",stdin);
        freopen("sortbooks.out","w",stdout);
    }
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin>>n>>m;
    for (int i=1;i<=n;i++) cin>>a[i];
    if (n<=500&&m<=500) return sub1::xuly(),0;
}

Compilation message (stderr)

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:25:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |         freopen("sortbooks.inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:26:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |         freopen("sortbooks.out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 30
• Subtask 6: 0 / 23