QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#247278 | #7619. Make SYSU Great Again I | ucup-team1001# | WA | 0ms | 3752kb | C++20 | 1.2kb | 2023-11-11 13:53:37 | 2023-11-11 13:53:41 |
Judging History
answer
//
// Created by DELLPC on 2023/11/10.
//
#include<bits/stdc++.h>
using namespace std;
#define ll long long
unordered_set<ll>s;
int n, k, cur;
ll tot, xx, yy;
ll get (ll x, ll y){
return (x - 1) * n + y - 1;
}
void append(int x, int y){
cout << x << ' ' << y << '\n';
s.insert(get(x, y));
}
void get_xy(){
while(s.contains(tot))++ tot;
xx = tot / n + 1, yy = (tot % n) + 1;
}
int main(){
cin >> n >> k;
if(n & 1){
append(1, 1);
append(1, 2);
append(2, 2);
append(2, 3);
append(3, 3);
append(3, 1);
int res = k - 6;
for(int i = 4; i <= n; i += 2){
append(i, i);
append(i, i + 1);
append(i + 1, i + 1);
append(i + 1, i);
res -= 4;
}
while(res --){
get_xy();
append(xx, yy);
}
}else{
int res = k;
for(int i = 1; i <= n; i += 2){
append(i, i);
append(i, i + 1);
append(i + 1, i + 1);
append(i + 1, i);
res -= 4;
}
while(res --){
get_xy();
append(xx, yy);
}
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3524kb
input:
3 6
output:
1 1 1 2 2 2 2 3 3 3 3 1
result:
ok The answer is correct.
Test #2:
score: 0
Accepted
time: 0ms
memory: 3580kb
input:
3 7
output:
1 1 1 2 2 2 2 3 3 3 3 1 1 3
result:
ok The answer is correct.
Test #3:
score: 0
Accepted
time: 0ms
memory: 3596kb
input:
2 4
output:
1 1 1 2 2 2 2 1
result:
ok The answer is correct.
Test #4:
score: 0
Accepted
time: 0ms
memory: 3752kb
input:
3 9
output:
1 1 1 2 2 2 2 3 3 3 3 1 1 3 2 1 3 2
result:
ok The answer is correct.
Test #5:
score: -100
Wrong Answer
time: 0ms
memory: 3560kb
input:
10 20
output:
1 1 1 2 2 2 2 1 3 3 3 4 4 4 4 3 5 5 5 6 6 6 6 5 7 7 7 8 8 8 8 7 9 9 9 10 10 10 10 9
result:
wrong answer The answer is wrong: The maximum common divisor of row 5 and column -1436281728 is not the same.