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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#335903 | #8049. Equal Sums | eggegg185 | ML | 0ms | 7868kb | C++14 | 1.0kb | 2024-02-24 09:07:18 | 2024-02-24 09:07:18 |
Judging History
answer
#include <iostream>
using namespace std;
#define int long long
const int O = 502,mod = 998244353;
int n,m,dp[505][505][1010],lx[505],rx[505],ly[505],ry[505];
int sum(int x,int y,int l,int r) {
return (dp[x][y][r]-(l?dp[x][y][l-1]:0)+mod)%mod;
}
signed main() {
cin.tie(0)->sync_with_stdio(false);
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];
for(int i = 0; i <= O+O; i++) dp[0][0][i] = (i >= O);
for(int i = 0; i <= n; i++) {
for(int j = 0; j <= m; j++) {
if(i == j && j == 0) continue;
for(int k = 0; k <= O+O; k++) {
if(k > O) {
if(i) dp[i][j][k] = sum(i-1,j,k-rx[i],k-lx[i]);
else dp[i][j][k] = 0;
} else {
if(j) dp[i][j][k] = sum(i,j-1,k+ly[j],k+ry[j]);
else dp[i][j][k] = 0;
}
if(k) (dp[i][j][k] += dp[i][j][k-1]) %= mod;
}
}
}
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= m; j++) {
cout << (dp[i][j][O]-dp[i][j][O-1]+mod)%mod << ' ';
} cout << endl;
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 7868kb
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 ...