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QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #78602 | #5438. Half Mixed | APJifengc | WA | 246ms | 3816kb | C++14 | 3.3kb | 2023-02-19 18:57:15 | 2023-02-19 18:57:17 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1000005;
int k;
vector<int> a;
bool dfs(int tt, long long ed) {
if (tt == ed) {
while (tt--) {
a.push_back(1);
}
return true;
}
int t = tt;
while (t--) {
if (!t) break;
if (1ll * t * t <= ed && ed - 1ll * t * t >= tt - t &&
1ll * (tt - t) * (tt - t) >= ed - 1ll * t * t) {
a.push_back(t);
if (dfs(tt - t, ed - 1ll * t * t)) return true;
a.pop_back();
}
}
return false;
}
int T, n, m;
int b[MAXN];
int main() {
scanf("%d", &T);
if (T != 2) {
for (int i = 1; i <= 121; i++) {
int n, m; scanf("%d%d", &n, &m);
if (i == 121) {
printf("%d %d\n", n, m);
}
}
}
while (T--) {
scanf("%d%d", &n, &m);
a.clear();
if (n % 4 == 0) {
int k = n / 4;
long long tt = 4 * k, ed = 8ll * k * k - 2 * k;
dfs(tt, ed);
int tot = 0, o = 0;
for (int i : a) {
for (int j = 1; j <= i; j++) {
b[++tot] = o;
}
o ^= 1;
}
printf("Yes\n");
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
printf("%d ", b[i]);
}
printf("\n");
}
} else if (n % 4 == 3) {
int k = (n + 1) / 4;
long long tt = 4 * k - 1, ed = 8ll * k * k - 6 * k + 1;
dfs(tt, ed);
int tot = 0, o = 0;
for (int i : a) {
for (int j = 1; j <= i; j++) {
b[++tot] = o;
}
o ^= 1;
}
printf("Yes\n");
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
printf("%d ", b[i]);
}
printf("\n");
}
} else if (m % 4 == 0) {
int k = m / 4;
long long tt = 4 * k, ed = 8ll * k * k - 2 * k;
dfs(tt, ed);
int tot = 0, o = 0;
for (int i : a) {
for (int j = 1; j <= i; j++) {
b[++tot] = o;
}
o ^= 1;
}
printf("Yes\n");
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
printf("%d ", b[j]);
}
printf("\n");
}
} else if (m % 4 == 3) {
int k = (m + 1) / 4;
long long tt = 4 * k - 1, ed = 8ll * k * k - 6 * k + 1;
dfs(tt, ed);
int tot = 0, o = 0;
for (int i : a) {
for (int j = 1; j <= i; j++) {
b[++tot] = o;
}
o ^= 1;
}
printf("Yes\n");
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
printf("%d ", b[j]);
}
printf("\n");
}
} else {
printf("No\n");
}
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3816kb
input:
2 2 3 1 1
output:
Yes 0 1 0 0 1 0 No
result:
ok OK, Accepted. (2 test cases)
Test #2:
score: -100
Wrong Answer
time: 246ms
memory: 3604kb
input:
5382 1 1 1 2 2 1 1 3 2 2 3 1 1 4 2 3 3 2 4 1 1 5 2 4 3 3 4 2 5 1 1 6 2 5 3 4 4 3 5 2 6 1 1 7 2 6 3 5 4 4 5 3 6 2 7 1 1 8 2 7 3 6 4 5 5 4 6 3 7 2 8 1 1 9 2 8 3 7 4 6 5 5 6 4 7 3 8 2 9 1 1 10 2 9 3 8 4 7 5 6 6 5 7 4 8 3 9 2 10 1 1 11 2 10 3 9 4 8 5 7 6 6 7 5 8 4 9 3 10 2 11 1 1 12 2 11 3 10 4 9 5 8 6 ...
output:
1 16 Yes 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 1 Yes 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Yes 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 Yes 0 0 0 0 0 0 0 1 1 1 1 ...
result:
wrong answer Token "1" doesn't correspond to pattern "Yes|No" (test case 1)