QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#497608 | #6643. Graphs and Colors | rgnerdplayer | WA | 1ms | 3632kb | C++20 | 1.1kb | 2024-07-29 14:59:11 | 2024-07-29 14:59:11 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
int main() {
cin.tie(nullptr)->sync_with_stdio(false);
int t;
cin >> t;
auto solve = [&]() {
int n, k;
cin >> n >> k;
if (k > n / 2) {
cout << "NO\n";
return;
}
vector ans(n, vector<int>(n));
int m = n / 2;
auto add = [&](int u, int v, int c) {
ans[u][v] = ans[v][u] = c;
};
for (int i = 0; i < m; i++) {
add(i, i + m, i + 1);
for (int j = 1; j < m; j++) {
add(i, i + j, i + 1);
add(i + m, (i + j + m) % (2 * m), i + 1);
}
}
if (n % 2 == 1) {
for (int i = 0; i < n - 1; i++) {
add(i, n - 1, m);
}
}
cout << "YES\n";
for (int i = 1; i < n; i++) {
for (int j = 0; j < i; j++) {
cout << min(ans[i][j], k) << " \n"[j + 1 == i];
}
}
};
while (t--) {
solve();
}
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 3632kb
input:
768 8 24 7 20 17 61 17 76 16 100 16 16 15 59 9 17 14 31 14 61 10 32 17 55 5 7 10 29 14 82 13 47 17 32 5 10 16 76 14 59 8 28 13 19 12 41 13 41 11 32 11 53 3 2 16 52 16 87 7 12 9 15 15 65 15 53 17 47 6 15 12 1 14 35 16 60 12 31 14 70 15 88 12 2 8 23 12 38 16 111 16 117 5 4 14 90 12 55 15 41 15 48 15 4...
output:
NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO YES 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 NO NO NO NO NO YES 1 1 2 1 2 2 1 2 2 2 1 2 2 2 2 1 2 2 2 2 ...
result:
wrong answer Graph is not correct (test case 52)