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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#576554 | #9310. Permutation Counting 4 | xiaomo | WA | 0ms | 3632kb | C++20 | 450b | 2024-09-19 20:59:59 | 2024-09-19 20:59:59 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define endl '\n'
typedef long long ll;
void sovle(){
int n;cin>>n;
vector<pair<int,int>> a(n+1);
for(int i=0;i<n;i++){
cin>>a[i].first>>a[i].second;
}
int cnt=0;
for(int i=0;i<n;i++){
if(i+1>=a[i].first&&i+1<=a[i].second)cnt++;
}
cout<<cnt%2<<endl;
return;
}
int main(){
ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
int _;cin>>_;
while(_--)sovle();
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3632kb
input:
4 5 1 2 1 5 1 2 1 2 2 2 5 1 1 2 4 2 3 5 5 3 4 5 3 5 1 2 3 4 3 5 3 3 5 1 5 1 4 4 5 5 5 1 2
output:
0 1 1 0
result:
wrong answer 3rd words differ - expected: '0', found: '1'