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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#768488 | #8049. Equal Sums | water_three | TL | 1ms | 7808kb | C++14 | 1.3kb | 2024-11-21 11:15:11 | 2024-11-21 11:15:15 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int n,m,l[710],r[710],L[710],R[710];
ll f[510][510],delt[510][510],c[510],mod=998244353,ans[510][510];
int main(){
cin>>n>>m;
int add=0,dele=0;
for(int i=1;i<=n;i++)scanf("%d%d",&l[i],&r[i]),add=max(add,r[i]+2);
for(int i=1;i<=m;i++)scanf("%d%d",&L[i],&R[i]),dele=max(dele,R[i]+2);
f[0][add]=1;
for(int i=0;i<=n;i++){
for(int j=0;j<=m-1;j++){
for(int k=0;k<=add+dele;k++){
if(k-add>=0){
c[max(k-R[j+1],0)]+=f[j][k],c[max(k-L[j+1]+1,0)]-=f[j][k]-mod;
c[max(k-R[j+1],0)]%=mod,c[max(k-L[j+1]+1,0)]%=mod;
}
else{
delt[j][k+l[i+1]]+=f[j][k],delt[j][k+r[i+1]+1]-=f[j][k]-mod;
delt[j][k+l[i+1]]%=mod,delt[j][k+r[i+1]+1]%=mod;
}
}
for(int k=0;k<=add+dele;k++){
if(k)c[k]+=c[k-1],c[k]%=mod;
f[j+1][k]+=c[k];
f[j+1][k]%=mod;
}
for(int k=0;k<=add+dele;k++)c[k]=0;
}
for(int j=1;j<=m;j++){
ans[i][j]=f[j][add];
}
if(i==n)break;
for(int j=0;j<=m;j++){
for(int k=1;k<=add+dele;k++){
delt[j][k]+=delt[j][k-1];
delt[j][k]%=mod;
}
}
for(int j=0;j<=m;j++){
for(int k=0;k<=add+dele;k++){
f[j][k]=delt[j][k],delt[j][k]=0;
}
}
}
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
cout<<ans[i][j]<<" ";
}
cout<<"\n";
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 7808kb
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
Time 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...