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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#478106 | #8049. Equal Sums | wcyQwQ | WA | 979ms | 1005668kb | C++14 | 1.2kb | 2024-07-14 17:08:27 | 2024-07-14 17:08:27 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int N = 510, mod = 998244353;
int f[N][N][2 * N], lx[N], rx[N], ly[N], ry[N];
void inc(int &x, int y) {
if ((x += y) >= mod) x -= mod;
}
void dec(int &x, int y) {
if ((x -= y) < 0) x += mod;
}
int main() {
cin.tie(0)->sync_with_stdio(0);
int n, m;
cin >> n >> m;
for (int i = 1; i <= n; i++) cin >> lx[i] >> rx[i];
for (int i = 1; i <= m; i++) cin >> ly[i] >> ry[i];
const int Z = 500;
f[0][0][Z] = 1, f[0][0][Z + 1] = mod - 1;
for (int i = 0; i <= n; i++) {
for (int j = 0; j <= m; j++) {
for (int k = 1; k <= 2 * Z; k++) {
inc(f[i][j][k], f[i][j][k - 1]);
}
if (i < n) {
for (int k = 0; k <= Z; k++) {
inc(f[i + 1][j][k + lx[i + 1]], f[i][j][k]);
dec(f[i + 1][j][k + rx[i + 1] + 1], f[i][j][k]);
}
}
if (j < m) {
for (int k = Z + 1; k <= 2 * Z; k++) {
inc(f[i][j + 1][k - ry[j + 1]], f[i][j][k]);
dec(f[i][j + 1][k - lx[j + 1] + 1], f[i][j][k]);
}
}
}
}
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
cout << f[i][j][Z] << " \n"[j == m];
}
}
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3644kb
input:
2 3 1 2 2 3 1 4 2 2 1 3
output:
2 0 0 3 4 4
result:
ok 6 numbers
Test #2:
score: -100
Wrong Answer
time: 979ms
memory: 1005668kb
input:
500 500 19 458 1 480 7 485 50 461 12 476 15 461 48 466 40 453 46 467 9 458 27 478 26 472 46 459 29 490 6 500 17 487 48 484 28 472 28 459 25 480 4 491 29 481 36 460 2 491 44 499 22 473 20 458 4 483 27 471 2 496 11 461 43 450 2 478 37 466 15 459 42 482 7 451 19 455 2 453 47 475 48 450 1 474 46 471 9 4...
output:
440 96580 13530384 901244960 466845747 404348148 559564568 858170166 337554513 689477673 480530434 373808828 482860313 808651713 904837004 464058609 51895935 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 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
result:
wrong answer 1st numbers differ - expected: '411', found: '440'