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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#600206 | #8049. Equal Sums | bruteforce_ | ML | 1ms | 3620kb | C++20 | 1.3kb | 2024-09-29 15:19:32 | 2024-09-29 15:19:32 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N=1e6+7,inf=1e18,V=1001,_0=501,mod=998244353;
void O_o()
{
int n,m;
cin>>n>>m;
vector<array<int,2>> a(n+1),b(m+1);
for(int i=1; i<=n; i++)
cin>>a[i][0]>>a[i][1];
for(int i=1; i<=m; i++)
cin>>b[i][0]>>b[i][1];
vector dp(n+1,vector<vector<int>>(m+1,vector<int>(V+1)));
vector sum(n+1,vector<vector<int>>(m+1,vector<int>(V+1)));
dp[0][0][_0]=1;
sum[0][0][_0]=1;
for(int i=0; i<=n; i++)
{
for(int j=0; j<=m; j++)
{
for(int k=1; k<=V; k++)
{
if(i>0)
{
auto [l,r]=a[i];
if(k-r>=_0) continue;
l=max(l,k-_0+1);
(dp[i][j][k]+=(sum[i-1][j][max(0,k-l)]-sum[i-1][j][max(0,k-r-1)])%mod)%=mod;
}
if(j>0)
{
auto [l,r]=b[j];
if(k+r<_0) continue;
l=max(l,_0-k);
(dp[i][j][k]+=(sum[i][j-1][min(V,k+r)]-sum[i][j-1][min(V,k+l-1)])%mod)%=mod;
}
}
for(int k=1; k<=V; k++)
sum[i][j][k]=(sum[i][j][k-1]+dp[i][j][k])%mod;
}
}
for(int i=1; i<=n; i++)
{
for(int j=1; j<=m; j++)
{
cout<<(dp[i][j][_0]+mod)%mod<<" ";
}
cout<<"\n";
}
}
signed main()
{
ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cout<<fixed<<setprecision(12);
int T=1;
// cin>>T;
while(T--)
{
O_o();
}
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3620kb
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 ...