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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#768334 | #8049. Equal Sums | luozijin | RE | 0ms | 7768kb | C++14 | 1.6kb | 2024-11-21 09:26:08 | 2024-11-21 09:26:10 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define mod 998244353
using namespace std;
const int N=510;
int n,m,maxn,L[N][2],ans[N][N],R[N][2],f[2][N][N<<1];
void add(int &u,int v) {u+=v;if(u>=mod) u-=mod;if(u<0) u+=mod;}
int read(){char a=getchar();int res=0,f=1;while(!isdigit(a)) {if(a=='-') f=-1;a=getchar();}while(isdigit(a)) res=(res<<3)+(res<<1)+a-'0',a=getchar();return res*f;}
const int KK=22;int sta2[KK],tooot;
void write(int a,bool l){if(a<0) putchar('-'),a=-a;do{sta2[++tooot]=a%10;a/=10;}while(a);while(tooot) putchar(sta2[tooot]+'0'),tooot--;if(l) putchar(10);else putchar(32);}
signed main(){
n=read();m=read();
for(int i=1;i<=n;i++){
L[i][0]=read();R[i][0]=read();
maxn=max(R[i][0],maxn);
}for(int i=1;i<=m;i++){
L[i][1]=read();R[i][1]=read();
maxn=max(R[i][1],maxn);
}f[0][0][0+maxn]++;f[0][0][1+maxn]--;
for(int i=0;i<=n;i++){
int pr=i&1,nw=(i+1)&1;
for(int j=0;j<=m;j++) for(int k=-maxn-1;k<=maxn+1;k++) f[nw][j][k]=0;
for(int j=0;j<=m;j++){
for(int k=-maxn;k<=maxn;k++){
add(f[pr][j][k+maxn],f[pr][j][k-1+maxn]);
}for(int k=-maxn;k<=0;k++){
if(f[pr][j][k+maxn]){//cout<<i<<' '<<j<<' '<<k<<' '<<f[pr][j][k+maxn]<<endl;
add(f[nw][j][k+L[i+1][0]+maxn],f[pr][j][k+maxn]);
add(f[nw][j][k+R[i+1][0]+1+maxn],-f[pr][j][k+maxn]);
}
}for(int k=1;k<=maxn;k++){
if(f[pr][j][k+maxn]){
add(f[pr][j+1][k-R[j+1][1]+maxn],f[pr][j][k+maxn]);
add(f[pr][j+1][k-L[j+1][1]+1+maxn],-f[pr][j][k+maxn]);
}
}ans[i][j]=f[pr][j][maxn];
}
}for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
write(ans[i][j],0);
}putchar(10);
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 7768kb
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
Runtime Error
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...