oj.uz

답안 #847079

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
847079 2023-09-09T06:26:23 Z Pacybwoah Zemljište (COCI22_zemljiste) C++17
70 / 70
 264 ms 6992 KB 
#include<iostream>
#include<vector>
#include<set>
#include<algorithm>
#define ll long long
using namespace std;
int main(){
    int r,s;
    cin>>r>>s;
    ll a,b;
    cin>>a>>b;
    if(a>b) swap(a,b);
    vector<vector<ll> > vec(r,vector<ll>(s)),pree(r,vector<ll>(s));
    for(int i=0;i<r;i++) for(int j=0;j<s;j++) cin>>vec[i][j];
    for(int i=0;i<s;i++){
        pree[0][i]=vec[0][i];
        for(int j=1;j<r;j++) pree[j][i]=pree[j-1][i]+vec[j][i];
    }
    ll ans=1e10;
    for(int i=0;i<r;i++){
        for(int j=i;j<r;j++){
            vector<ll> pre(s+1);
            if(i==0) for(int k=0;k<s;k++) pre[k+1]=pre[k]+pree[j][k];
            else for(int k=0;k<s;k++) pre[k+1]=pre[k]+(pree[j][k]-pree[i-1][k]);
            for(int le=0,rt=1;le<s&&rt<=s;le++){
                while(rt<=s&&pre[rt]-pre[le]<a) rt++;
                if(rt<=s){
                    if(pre[rt]-pre[le]<=b) ans=b-a;
                    else ans=min(ans,2*(pre[rt]-pre[le])-b-a);
                }
                if(rt-1>le){
                    ans=min(ans,b+a-2*(pre[rt-1]-pre[le]));
                }
            }
        }
    }
    cout<<ans;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 6 ms 600 KB Output is correct
12 Correct 5 ms 600 KB Output is correct
13 Correct 5 ms 604 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 5 ms 600 KB Output is correct
16 Correct 6 ms 600 KB Output is correct
17 Correct 5 ms 600 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 3 ms 600 KB Output is correct
20 Correct 3 ms 600 KB Output is correct
21 Correct 3 ms 600 KB Output is correct
22 Correct 3 ms 600 KB Output is correct

Subtask #3
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 6 ms 600 KB Output is correct
12 Correct 5 ms 600 KB Output is correct
13 Correct 5 ms 604 KB Output is correct
14 Correct 2 ms 344 KB Output is correct
15 Correct 5 ms 600 KB Output is correct
16 Correct 6 ms 600 KB Output is correct
17 Correct 5 ms 600 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 3 ms 600 KB Output is correct
20 Correct 3 ms 600 KB Output is correct
21 Correct 3 ms 600 KB Output is correct
22 Correct 3 ms 600 KB Output is correct
23 Correct 257 ms 6784 KB Output is correct
24 Correct 256 ms 6652 KB Output is correct
25 Correct 260 ms 6788 KB Output is correct
26 Correct 261 ms 6784 KB Output is correct
27 Correct 177 ms 4432 KB Output is correct
28 Correct 259 ms 6736 KB Output is correct
29 Correct 254 ms 6740 KB Output is correct
30 Correct 257 ms 6736 KB Output is correct
31 Correct 36 ms 1112 KB Output is correct
32 Correct 247 ms 6736 KB Output is correct
33 Correct 264 ms 6992 KB Output is correct
34 Correct 248 ms 6784 KB Output is correct
35 Correct 251 ms 6788 KB Output is correct
36 Correct 249 ms 6736 KB Output is correct
37 Correct 254 ms 6788 KB Output is correct
38 Correct 249 ms 6736 KB Output is correct
39 Correct 255 ms 6792 KB Output is correct
40 Correct 254 ms 6736 KB Output is correct
41 Correct 130 ms 5520 KB Output is correct
42 Correct 127 ms 5460 KB Output is correct
43 Correct 137 ms 5524 KB Output is correct
44 Correct 128 ms 5520 KB Output is correct