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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 |
---|---|---|---|---|---|---|---|---|---|
#478321 | #8049. Equal Sums | sumi007 | WA | 1ms | 9752kb | C++14 | 1.2kb | 2024-07-14 20:36:36 | 2024-07-14 20:36:36 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int N = 505,mod = 998244353;
int n,m,mx,lx[N],rx[N],ly[N],ry[N],f[2][N][2*N],s[2][N][2*N];
int main(){
cin.tie(0),cout.tie(0);
ios::sync_with_stdio(0);
cin >> n >> m;
for(int i=1;i<=n;i++) cin >> lx[i] >> rx[i],mx = max(mx,rx[i]);
for(int i=1;i<=m;i++) cin >> ly[i] >> ry[i],mx = max(mx,ry[i]);
f[0][0][mx] = s[0][0][mx] = 1;
for(int i=mx;i<=2*mx;i++) s[0][0][i] = 1;
for(int i=0;i<=n;i++){
int o = i&1;
for(int j=0;j<=m;j++){
if(i+j==0) continue;
for(int k=0,l,r;k<=2*mx;k++){
f[o][j][k] = 0;
if(j){
l = max(mx,k+ly[j]),r = min(k+ry[j],2*mx);
// cout << i << " " << j << ' ' << k << ' ' << l << ' ' << r << "\n";
if(l<=r) f[o][j][k] += (s[o][j-1][r]-s[o][j-1][l]+f[o][j-1][l]+mod)%mod;
}
if(i){
l = max(k-ry[j],0),r = min(mx-1,k-ly[j]);
// cout << i << " " << j << ' ' << k << ' ' << l << ' ' << r << "\n";
if(l<=r) f[o][j][k] += (s[o^1][j][r]-s[o^1][j][l]+f[o^1][j][l]+mod)%mod;
}
s[o][j][k] = f[o][j][k];
}
for(int k=1;k<=2*mx;k++) s[o][j][k] += s[o][j][k-1],s[o][j][k] %= mod;
// if(i && j)
cout << f[o][j][0] << ' ';
}
cout << "\n";
}
return 0;
}
详细
Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 9752kb
input:
2 3 1 2 2 3 1 4 2 2 1 3
output:
1 0 0 0 0 0 0 0 0 0 0
result:
wrong answer 1st numbers differ - expected: '2', found: '1'