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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#398287 | #8049. Equal Sums | cqbzly | WA | 2804ms | 15524kb | C++14 | 1.7kb | 2024-04-25 10:24:35 | 2024-04-25 10:24:35 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define db double
#define fi first
#define se second
#define vi vector<int>
#define inf 0x3f3f3f3f
using namespace std;
const int N=505;
const int mod=998244353;
int n,m,lim,l1[N],r1[N],l2[N],r2[N];
ll f[N][N<<1],g[N][N<<1],h[N][N<<1];
void add(ll &x,ll y){
x=(x+y)%mod;
}
signed main(){
//freopen("data.in","r",stdin);
// freopen("own.out","w",stdout);
ios::sync_with_stdio(false);
cin.tie(0),cout.tie(0);
cin>>n>>m;
for(int i=1;i<=n;i++)cin>>l1[i]>>r1[i],lim=max(lim,r1[i]);
for(int i=1;i<=m;i++)cin>>l2[i]>>r2[i],lim=max(lim,r2[i]);
f[0][lim]=1;
for(int i=0;i<=n;i++){
for(int j=0;j<=m;j++){
for(int k=0;k<=lim<<1;k++){
g[j][k]=h[j][k]=0;
}
}
for(int j=0;j<=m;j++){
for(int k=0;k<=lim<<1;k++){
if(k)g[j][k]=(g[j][k]+g[j][k-1])%mod;
f[j][k]=(f[j][k]+g[j][k])%mod;
if(!f[j][k])continue;
//cout<<"find:"<<i<<" "<<j<<" "<<k<<" "<<f[j][k]<<"\n";
if(k<=lim&&i<n){
add(h[j][k+l1[i+1]],f[j][k]);
add(h[j][k+r1[i+1]+1],-f[j][k]);
}
if(k>lim&&j<m){
add(g[j+1][k-r2[j+1]],f[j][k]);
add(g[j+1][k-l2[j+1]+1],-f[j][k]);
}
}
if(i&&j)cout<<f[j][lim]<<" ";
}
for(int j=0;j<=m;j++){
for(int k=0;k<=lim<<1;k++){
if(k)h[j][k]=(h[j][k]+h[j][k-1])%mod;
f[j][k]=h[j][k];
}
}
if(i)cout<<"\n";
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3628kb
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: 2804ms
memory: 15524kb
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 -817663288 984223118 -411655119 293043270 -593880557 865361724 -332756365 118838806 -72054409 226338288 -476764496 808644951 -212203065 340769021 -998067253 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 ...
result:
wrong answer 5th numbers differ - expected: '180581065', found: '-817663288'