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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#527542 | #8049. Equal Sums | 123456xwd | ML | 0ms | 3824kb | C++14 | 1.3kb | 2024-08-22 16:42:45 | 2024-08-22 16:42:45 |
Judging History
answer
#include<bits/stdc++.h>
#define ull unsigned long long
#define p_b push_back
#define m_p make_pair
#define pii pair<int,int>
#define fi first
#define se second
#define ls k<<1
#define rs k<<1|1
#define mid ((l+r)>>1)
#define gcd __gcd
#define lowbit(x) (x&(-x))
using namespace std;
int rd(){
int x=0,f=1; char ch=getchar();
for(;ch<'0'||ch>'9';ch=getchar())if (ch=='-') f=-1;
for(;ch>='0'&&ch<='9';ch=getchar())x=(x<<1)+(x<<3)+(ch^48);
return x*f;
}
void write(int x){
if(x>9) write(x/10);
putchar('0'+x%10);
}
const int N=500+5,V=500,INF=0x3f3f3f3f3f3f3f3f,mod=998244353;
int dp[N][N][V*2+100];
int a[N],b[N],c[N],d[N];
int n,m;
void add(int &x,int y){
x+=y;
if(x>=mod) x-=mod;
}
signed main(){
n=rd(),m=rd();
for(int i=1;i<=n;i++) a[i]=rd(),b[i]=rd();
for(int i=1;i<=m;i++) c[i]=rd(),d[i]=rd();
dp[0][0][V]=1;dp[0][0][V+1]=mod-1;
for(int i=0;i<=n;i++){
for(int j=0;j<=m;j++){
for(int k=0;k<=V*2;k++){
if(k)add(dp[i][j][k],dp[i][j][k-1]);
if(k<=V){
add(dp[i+1][j][k+a[i+1]],dp[i][j][k]),add(dp[i+1][j][k+b[i+1]+1],mod-dp[i][j][k]);
}
if(k>V){
add(dp[i][j+1][k-c[j+1]+1],mod-dp[i][j][k]),add(dp[i][j+1][k-d[j+1]],dp[i][j][k]);
}
}
}
}
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
printf("%d ",dp[i][j][V]);
}
puts("");
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3824kb
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 ...