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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#478323 | #8049. Equal Sums | lefy | ML | 1ms | 3972kb | C++14 | 1.1kb | 2024-07-14 20:36:54 | 2024-07-14 20:36:55 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int mod=998244353,N=510,lim=500;
int lx[N],ly[N],rx[N],ry[N];
ll f[N][N][N<<1];
void add(ll &x,int y){
x+=y;
if(x>=mod)x-=mod;
}
void del(ll &x,int y){
x-=y;
if(x<0)x+=mod;
}
int main(){
int n,m;scanf("%d%d",&n,&m);
for(int i=1;i<=n;i++)scanf("%d%d",&lx[i],&rx[i]);
for(int i=1;i<=m;i++)scanf("%d%d",&ly[i],&ry[i]);
f[0][0][lim]=1;f[0][0][lim+1]=-1;
for(int i=0;i<=n;i++)for(int j=0;j<=m;j++){
for(int k=1;k<=lim*2;k++)add(f[i][j][k],f[i][j][k-1]);
for(int k=0;k<=lim*2;k++){
if(k<lim){
if(j<m){
add(f[i][j+1][k+ly[j+1]],f[i][j][k]);
del(f[i][j+1][k+ry[j+1]+1],f[i][j][k]);
}
}else{
if(i<n){
add(f[i+1][j][k-rx[i+1]],f[i][j][k]);
del(f[i+1][j][k-lx[i+1]+1],f[i][j][k]);
}
}
}
if(i&&j){
printf("%lld ",f[i][j][lim]);
if(j==m)printf("\n");
}
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3972kb
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 ...