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Submission #704894

# Submission time Handle Problem Language Result Execution time Memory
704894 2023-03-03T06:31:27 Z guagua0407 Zemljište (COCI22_zemljiste) C++17
30 / 70
 2000 ms 2288 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define f first
#define s second
#define all(x) x.begin(),x.end()

const ll mxn=505;
ll pre[mxn][mxn];

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    ll n,m;
    ll a,b;
    cin>>n>>m>>a>>b;
    if(a>b) swap(a,b);
    for(ll i=1;i<=n;i++){
        for(ll j=1;j<=m;j++){
            cin>>pre[i][j];
            pre[i][j]+=pre[i-1][j]+pre[i][j-1]-pre[i-1][j-1];
        }
    }
    ll ans=1e18;
    for(ll i=1;i<=n;i++){
        for(ll j=i;j<=n;j++){
            vector<ll> vec;
            for(ll k=0;k<=m;k++){
                vec.push_back(pre[j][k]-pre[i-1][k]);
            }
            for(int k=0;k<=m;k++){
                ll aa=vec[k]+a;
                ll bb=vec[k]+b;
                auto it1=lower_bound(all(vec),aa);
                auto it2=upper_bound(all(vec),bb);
                it2--;
                if(it1!=vec.end()){
                    ll cur=(*it1)-vec[k];
                    ans=min(ans,abs(cur-a)+abs(cur-b));
                }
                if(it2-vec.begin()>k){
                    ll cur=(*it2)-vec[k];
                    ans=min(ans,abs(cur-a)+abs(cur-b));
                }
            }
        }
    }
    cout<<ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 6 ms 604 KB Output is correct
11 Correct 15 ms 728 KB Output is correct
12 Correct 14 ms 724 KB Output is correct
13 Correct 15 ms 732 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 15 ms 724 KB Output is correct
16 Correct 14 ms 724 KB Output is correct
17 Correct 15 ms 724 KB Output is correct
18 Correct 10 ms 724 KB Output is correct
19 Correct 10 ms 728 KB Output is correct
20 Correct 10 ms 724 KB Output is correct
21 Correct 10 ms 724 KB Output is correct
22 Correct 10 ms 724 KB Output is correct

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 6 ms 604 KB Output is correct
11 Correct 15 ms 728 KB Output is correct
12 Correct 14 ms 724 KB Output is correct
13 Correct 15 ms 732 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 15 ms 724 KB Output is correct
16 Correct 14 ms 724 KB Output is correct
17 Correct 15 ms 724 KB Output is correct
18 Correct 10 ms 724 KB Output is correct
19 Correct 10 ms 728 KB Output is correct
20 Correct 10 ms 724 KB Output is correct
21 Correct 10 ms 724 KB Output is correct
22 Correct 10 ms 724 KB Output is correct
23 Execution timed out 2072 ms 2288 KB Time limit exceeded
24 Halted 0 ms 0 KB -