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QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #749818 | #8041. Life is Hard and Undecidable, but... | ice_cup# | WA | 0ms | 3648kb | C++14 | 485b | 2024-11-15 10:31:47 | 2024-11-15 10:31:48 |
Judging History
answer
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
using namespace std;
#define mk make_pair
#define MID int mid=(l+r)>>1;
#define ll long long
#define endl '\n'
#define siz(a) int(a.size())
int n;
void solve(){
cin>>n;
cout<<2*n-1<<endl;
for(int i=1;i<2*n;i++){
cout<<i<<' '<<(i&1)+1<<endl;
}
}
int main(){
// ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
int TTT;
// cin>>TTT;
TTT=1;
while(TTT--)solve();
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3648kb
input:
1
output:
1 1 2
result:
ok n=1
Test #2:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
2
output:
3 1 2 2 1 3 2
result:
ok n=3
Test #3:
score: -100
Wrong Answer
time: 0ms
memory: 3548kb
input:
3
output:
5 1 2 2 1 3 2 4 1 5 2
result:
wrong answer Alive at generation 3