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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#577135 | #9310. Permutation Counting 4 | alpha | TL | 0ms | 7652kb | C++20 | 846b | 2024-09-20 08:24:15 | 2024-09-20 08:24:16 |
Judging History
answer
#define _CRT_SECURE_NO_WARNINGS 1
#include<iostream>
#include<utility>
#include<queue>
#include<stack>
#include<string.h>
#include<malloc.h>
#include<functional>
#include<math.h>
#include<vector>
#include<cmath>
#include<iomanip>
#include<sstream>
#include<cctype>
#include<algorithm>
#include<bitset>
#include<map>
int pre[1000006];
int find(int x) {
if (x == pre[x])
return x;
pre[x] = find(pre[x]);
return pre[x];
}
int main() {
int t;
scanf("%d", &t);
while (t--) {
int n;
for (int i = 0; i <= 1000000; i++)
pre[i] = i;
scanf("%d", &n);
bool judge = 1;
for (int i = 0; i < n; i++) {
int a, b;
scanf("%d%d", &a, &b);
if (find(a - 1) == find(b))
judge = 0;
else
pre[find(a - 1)] = find(b);
}
if (judge)
printf("1\n");
else
printf("0\n");
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 7652kb
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 0 0
result:
ok 4 tokens
Test #2:
score: -100
Time Limit Exceeded
input:
66725 14 7 7 4 6 7 8 8 13 2 13 6 13 6 10 14 14 1 10 9 11 7 9 3 8 4 12 5 12 12 2 6 3 6 7 11 2 5 1 1 6 12 8 12 2 3 7 9 7 8 1 10 1 4 10 4 8 4 4 6 10 9 10 2 3 2 7 1 3 3 4 2 2 3 10 20 3 12 10 14 19 20 19 20 1 9 7 9 13 16 17 17 16 18 2 11 5 19 6 17 11 17 3 6 3 11 7 20 8 17 3 18 10 15 9 20 16 5 10 2 10 2 1...
output:
1 1 0 0 1 0 1 1 0 1 1 0 0 0 0 0 1 0 1 0 0 1 0 0 0 1 0 1 0 0 0 0 1 0 1 1 1 1 1 0 1 0 1 1 1 1 1 1 1 1 0 1 1 0 0 0 0 0 0 1 0 1 1 0 1 1 1 0 1 0 1 0 0 0 1 1 1 0 0 1 1 1 1 0 1 1 1 1 1 1 1 0 1 0 0 1 1 0 0 1 1 0 0 1 1 1 1 1 1 0 0 1 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 1 0 0 1 0 1 1 ...