QOJ.ac
QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#627504 | #8049. Equal Sums | xhgua | WA | 139ms | 998056kb | C++14 | 1.2kb | 2024-10-10 16:09:43 | 2024-10-10 16:09:45 |
Judging History
answer
#include <bits/stdc++.h>
using i64 = long long;
constexpr int N = 5e2 + 5, S = 20, P = 998244353;
int n, m, lx[N], rx[N], ly[N], ry[N], f[N][N][N * 2];
void add(int &x, int y) {
x += y;
if (x >= P) x -= P;
}
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
std::cin >> n >> m;
for (int i = 1; i <= n; i++) std::cin >> lx[i] >> rx[i];
for (int i = 1; i <= m; i++) std::cin >> ly[i] >> ry[i];
f[0][0][S] = 1, f[0][0][S + 1] = P - 1;
for (int i = 0; i <= n; i++) {
for (int j = 0; j <= m; j++) {
for (int k = -S; k <= S; k++) {
if (k != -S) add(f[i][j][k + S], f[i][j][k - 1 + S]);
if (k < 0) {
add(f[i + 1][j][k + lx[i + 1] + S], f[i][j][k + S]);
add(f[i + 1][j][k + rx[i + 1] + S + 1], P - f[i][j][k + S]);
}
else {
add(f[i][j + 1][k - ry[j + 1] + S], f[i][j][k + S]);
add(f[i][j + 1][k - ly[j + 1] + S + 1], P - f[i][j][k + S]);
}
}
if (i && j) std::cout << f[i][j][S] << " ";
}
if (i) std::cout << "\n";
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3728kb
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: 139ms
memory: 998056kb
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:
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 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 0 0 0 0 0 0 0 0 ...
result:
wrong answer 1st numbers differ - expected: '411', found: '0'