Submission #1062956

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1062956	2024-08-17T12:29:00 Z	Unforgettablepl	Cultivation (JOI17_cultivation)	C++17	5 / 100	125 ms	262144 KB

cultivation

#include <bits/stdc++.h>
using namespace std;

#define int long long


int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int r,c,n;
    cin >> r >> c >> n;
    vector<pair<int,int>> points(n);
    for(auto&[a,b]:points)cin>>a>>b;
    int tar = r*c;
    auto check = [&](int chosenR,int chosenC){
        vector grid(2*r+1,vector(2*c+1,0ll));
        for(auto&[x,y]:points) {
            grid[x][y]++;
            grid[x+chosenR][y]--;
            grid[x][y+chosenC]--;
            grid[x+chosenR][y+chosenC]++;
        }
        for(int i=1;i<=2*r;i++) {
            for(int j=1;j<=2*c;j++) {
                grid[i][j]+=grid[i][j-1];
            }
        }
        for(int i=1;i<=2*c;i++) {
            for(int j=1;j<=2*r;j++) {
                grid[j][i]+=grid[j-1][i];
            }
        }
        for(int i=1;i<=2*r;i++) {
            for(int j=1;j<=2*c;j++) {
                grid[i][j]=min(1ll,grid[i][j])+grid[i-1][j]+grid[i][j-1]-grid[i-1][j-1];
            }
        }
        auto get = [&](int x1,int y1,int x2,int y2) {
            return grid[x2][y2]-grid[x1-1][y2]-grid[x2][y1-1]+grid[x1-1][y1-1];
        };
        for(int i=1;i<=r;i++) {
            for(int j=1;j<=c;j++) {
                if(get(i,j,i+r-1,j+c-1)==tar)return true;
            }
        }
        return false;
    };
    int ans = r+c;
    for(int R=1;R<=r;R++) {
        for(int C=1;C<=c;C++) {
            if(check(R,C)) {
                ans=min(ans,R+C-2);
            }
        }
    }
    cout << ans << '\n';
}

Subtask #1

5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct

Subtask #2

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	2 ms	348 KB	Output is correct
18	Correct	8 ms	476 KB	Output is correct
19	Correct	34 ms	348 KB	Output is correct
20	Correct	4 ms	348 KB	Output is correct
21	Incorrect	28 ms	496 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Subtask #3

0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	2 ms	348 KB	Output is correct
18	Correct	8 ms	476 KB	Output is correct
19	Correct	34 ms	348 KB	Output is correct
20	Correct	4 ms	348 KB	Output is correct
21	Incorrect	28 ms	496 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Subtask #4

0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	125 ms	262144 KB	Execution killed with signal 9
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Runtime error	125 ms	262144 KB	Execution killed with signal 9
2	Halted	0 ms	0 KB	-

Subtask #6

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	2 ms	348 KB	Output is correct
18	Correct	8 ms	476 KB	Output is correct
19	Correct	34 ms	348 KB	Output is correct
20	Correct	4 ms	348 KB	Output is correct
21	Incorrect	28 ms	496 KB	Output isn't correct
22	Halted	0 ms	0 KB	-