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 |
---|---|---|---|---|---|---|---|---|---|
#777839 | #8049. Equal Sums | Estelle_N | ML | 0ms | 1764kb | C++14 | 1.4kb | 2024-11-24 10:14:26 | 2024-11-24 10:14:27 |
Judging History
answer
#include <cstdio>
#include <algorithm>
#define int long long
using namespace std;
const int N = 505;
const int mod = 998244353;
int n, m, l[2][N], r[2][N], f[N][N][N << 1];
signed main()
{
scanf("%lld%lld", &n, &m);
for(int i = 1; i <= n; ++ i)
scanf("%lld%lld", &l[0][i], &r[0][i]);
for(int i = 1; i <= m; ++ i)
scanf("%lld%lld", &l[1][i], &r[1][i]);
f[0][0][0 + N] = 1;
f[0][0][0 + 1 + N] = -1;
for(int i = 0; i <= n; ++ i)
{
for(int j = 0; j <= m; ++ j)
{
for(int k = -500; k <= 500; ++ k)
f[i][j][k + N] = (f[i][j][k + N] + f[i][j][k - 1 + N]) % mod;
for(int k = -500; k <= 500; ++ k)
{
if(k < 0)
{
(f[i][j + 1][k + l[1][j + 1] + N] += f[i][j][k + N]) %= mod;
(f[i][j + 1][k + r[1][j + 1] + 1 + N] -= f[i][j][k + N]) %= mod;
}
else
{
(f[i + 1][j][k - r[0][i + 1] + N] += f[i][j][k + N]) %= mod;
(f[i + 1][j][k - l[0][i + 1] + 1 + N] -= f[i][j][k + N]) %= mod;
}
}
}
}
for(int i = 1; i <= n; ++ i)
{
for(int j = 1; j <= m; ++ j)
printf("%lld ", f[i][j][0 + N]);
printf("\n");
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 1764kb
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
Memory Limit Exceeded
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:
411 79401 9145270 673005095 180581065 984223118 586589234 293043270 404363796 865361724 665487988 118838806 926189944 226338288 521479857 808644951 786041288 340769021 177100 21 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 ...