QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#509495 | #8049. Equal Sums | czc | ML | 1ms | 3956kb | C++14 | 975b | 2024-08-08 15:22:00 | 2024-08-08 15:22:01 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int n,m;
const int maxn=501;
const int mod=998244353;
int l1[maxn],r1[maxn],l2[maxn],r2[maxn];
int f[maxn][maxn][maxn<<2];
int dl=500;
inline int MOD(int x){
return x>=mod?x-mod:x;
}
inline int ask(int i,int j,int l,int r){
if(l>r) return 0;
return MOD(f[i][j][r+dl]-(((l-1+dl)<0)?0:f[i][j][l-1+dl])+mod);
}
int main(){
scanf("%d%d",&n,&m);
for(int i=1;i<=n;i++) scanf("%d%d",&l1[i],&r1[i]);
for(int i=1;i<=m;i++) scanf("%d%d",&l2[i],&r2[i]);
f[0][0][dl]=1;
for(int i=0;i<=n;i++){
for(int j=0;j<=m;j++){
if(i>=1 && j>=1) printf("%d ",f[i][j][500]);
for(int k=1;k<=1000;k++) f[i][j][k]=MOD(f[i][j][k]+f[i][j][k-1]);
for(int k=-500;k<=500;k++){
if(i<n) f[i+1][j][k+dl]=MOD(f[i+1][j][k+dl]+ask(i,j,max(-500,k-r1[i+1]),min(0,k-l1[i+1])));
if(j<m) f[i][j+1][k+dl]=MOD(f[i][j+1][k+dl]+ask(i,j,max(1,k+l2[j+1]),min(500,k+r2[j+1])));
}
}
if(i>=1) puts("");
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3956kb
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
Memory 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...
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 ...