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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#764678 | #8049. Equal Sums | zqiaor | WA | 930ms | 7572kb | C++17 | 843b | 2024-11-20 10:10:20 | 2024-11-20 10:10:24 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int Z=500,V=1000,p=998244353;
int n,m,d,dp[2][505][1005];
struct node{int l,r;}a[505],b[505];
void pls(int &x,int y){if((x+=y)>=p)x-=p;}
int main(){
ios::sync_with_stdio(false);
cin.tie(0),cout.tie(0);
cin>>n>>m;
for(int i=1;i<=n;i++)cin>>a[i].l>>a[i].r;
for(int i=1;i<=m;i++)cin>>b[i].l>>b[i].r;
dp[0][0][Z]=1;
for(int i=1;i<=n;i++,cout<<'\n'){
d^=1;
memset(dp[d],0,sizeof(dp[d]));
for(int j=0;j<=m;j++){
for(int k=0;k<=Z;k++)
pls(dp[d][j][k+a[i].l],dp[d^1][j][k]),
pls(dp[d][j][k+a[i].r+1],p-dp[d^1][j][k]);
for(int k=Z+1;k<=V;k++)
pls(dp[d][j][k-b[j].r],dp[d][j-1][k]),
pls(dp[d][j][k-b[j].l+1],p-dp[d][j-1][k]);
for(int k=1;k<=V;k++)
pls(dp[d][j][k],dp[d][j][k-1]);
if(j)cout<<dp[d][j][Z]<<" ";
}
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 7560kb
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: 930ms
memory: 7572kb
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 ...
result:
wrong answer 501st numbers differ - expected: '97494', found: '201064'