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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#621159 | #8049. Equal Sums | Drimpossible | WA | 1279ms | 13548kb | C++14 | 1.3kb | 2024-10-08 10:11:00 | 2024-10-08 10:11:04 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
const int N=505;
const int mod=998244353;
int n,m;
int lx[N],rx[N],ly[N],ry[N];
int f[2][N][N<<1],ans[N][N];
signed main(){
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<=n;i++){
memset(f[i&1],0,sizeof f[i&1]);
for(int j=0;j<=m;j++){
if(i==j&&i==0){
for(int i=500;i<=1000;i++)
f[0][0][i]=1;
continue;
}
if(i>j){
for(int k=lx[i];k<=1000;k++){
int l=max(0ll,k-rx[i]),r=k-lx[i];
(f[i&1][j][k]+=f[(i&1)^1][j][r]+mod-(l>0?f[(i&1)^1][j][l-1]:0))%=mod;
}
}
else {
for(int k=0;k+ly[j]<=1000;k++){
int l=k+ly[j],r=min(1000ll,k+ry[j]);
(f[i&1][j][k]+=f[i&1][j-1][r]+mod-f[i&1][j-1][l-1])%=mod;
}
}
ans[i][j]=f[i&1][j][500];
for(int k=1;k<=1000;k++)
(f[i&1][j][k]+=f[i&1][j][k-1])%=mod;
}
}
for(int i=1;i<=n;i++,cout<<'\n')
for(int j=1;j<=m;j++)
cout<<ans[i][j]<<' ';
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 13352kb
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: 1279ms
memory: 13548kb
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 503rd numbers differ - expected: '927935471', found: '378445120'