oj.uz

Submission #418278

# Submission time Handle Problem Language Result Execution time Memory
418278 2021-06-05T09:04:41 Z Autumn Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 328 ms 156108 KB 
#include <bits/stdc++.h>
using namespace std;

#define int int64_t

void calc(vector<vector<int>> &aha, int h, int w, bool how){
    if(how){    
        for(int i=h-1;i>=0;i--){
            for(int j=w-2;j>=0;j--){
                aha[i][j]+=aha[i][j+1];
            }
        }
        return;
    }
    for(int i=w-1;i>=0;i--){
        for(int j=h-2;j>=0;j--){
            aha[j][i]+=aha[j+1][i];
        }
    }
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int h,w;
    cin>>h>>w;
    vector<string> grid(h);
    vector<vector<int>> orbs(h,vector<int> (w,0));
    vector<vector<int>> ingots(h,vector<int> (w,0));
    for(int i=0;i<h;i++){
        cin>>grid[i];
        for(int j=0;j<w;j++){
            if(grid[i][j]=='O'){
                orbs[i][j]++;
            }else if(grid[i][j]=='I'){
                ingots[i][j]++;
            }
        }
    }
    calc(orbs,h,w,true);
    calc(ingots,h,w,false);
    int sum=0;

    for(int i=0;i<h;i++){
        for(int j=0;j<w;j++){
            if(grid[i][j]=='J'){
                sum+=orbs[i][j]*ingots[i][j];

            }
        }
    }
    cout<<sum<<"\n";

}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 452 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 452 KB Output is correct
14 Correct 6 ms 3748 KB Output is correct
15 Correct 1 ms 296 KB Output is correct
16 Correct 4 ms 2508 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 9 ms 4676 KB Output is correct
19 Correct 6 ms 4612 KB Output is correct
20 Correct 6 ms 4684 KB Output is correct
21 Correct 8 ms 4688 KB Output is correct
22 Correct 6 ms 4556 KB Output is correct
23 Correct 6 ms 4684 KB Output is correct
24 Correct 8 ms 4788 KB Output is correct
25 Correct 6 ms 4556 KB Output is correct
26 Correct 6 ms 4620 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 452 KB Output is correct
14 Correct 6 ms 3748 KB Output is correct
15 Correct 1 ms 296 KB Output is correct
16 Correct 4 ms 2508 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 9 ms 4676 KB Output is correct
19 Correct 6 ms 4612 KB Output is correct
20 Correct 6 ms 4684 KB Output is correct
21 Correct 8 ms 4688 KB Output is correct
22 Correct 6 ms 4556 KB Output is correct
23 Correct 6 ms 4684 KB Output is correct
24 Correct 8 ms 4788 KB Output is correct
25 Correct 6 ms 4556 KB Output is correct
26 Correct 6 ms 4620 KB Output is correct
27 Correct 302 ms 147488 KB Output is correct
28 Correct 1 ms 844 KB Output is correct
29 Correct 13 ms 11724 KB Output is correct
30 Correct 1 ms 716 KB Output is correct
31 Correct 222 ms 109936 KB Output is correct
32 Correct 242 ms 154948 KB Output is correct
33 Correct 231 ms 155580 KB Output is correct
34 Correct 256 ms 126660 KB Output is correct
35 Correct 241 ms 155072 KB Output is correct
36 Correct 234 ms 155656 KB Output is correct
37 Correct 328 ms 156108 KB Output is correct
38 Correct 169 ms 109040 KB Output is correct
39 Correct 162 ms 109392 KB Output is correct