oj.uz

Submission #230048

# Submission time Handle Problem Language Result Execution time Memory
230048 2020-05-07T21:14:20 Z nickmet2004 Bitaro the Brave (JOI19_ho_t1) C++11
100 / 100
 287 ms 89440 KB 
#include<bits/stdc++.h>
#define ll long long

using namespace std;

const int N = 3005;

int H , W;
string s[N];
int Jo[N][N] , Ji[N][N];

ll solve(){
    for(int i = 0; i < H; ++i){
        int cntO = 0;
        for(int j = W - 1; j >= 0; --j){
            if(s[i][j] == 'O') ++cntO;
            if(s[i][j] == 'J') Jo[i][j] = cntO;
        }
    }
    for(int i = 0; i < W; ++i){
        int cntI = 0;
        for(int j = H - 1; j>= 0; --j){
            if(s[j][i] == 'I') ++cntI;
            if(s[j][i] == 'J') Ji[j][i] = cntI;
        }
    }/*
    for(int i = 0; i < H; ++i){
        for(int j = 0; j < W; ++j) cout << Jo[i][j] << " "; cout << endl;
    }cerr << endl;
    for(int i = 0; i < H; ++i){
        for(int j = 0; j < W; ++j) cout << Ji[i][j] << " "; cout << endl;
    }cerr << endl;
    */
    ll ans = 0;
    for(int i = 0; i < H; ++i){
        for(int j = 0; j < W; ++j){
            //cerr << Jo[i][j] * Ji[i][j] << endl;
            ans += 1LL*Jo[i][j] * Ji[i][j];
        }
    }
    return ans;
}

int main (){
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> H >> W;
    for(int i = 0; i < H; ++i) cin >> s[i];
    cout << solve() << endl;

}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 1280 KB Output is correct
6 Correct 5 ms 1152 KB Output is correct
7 Correct 5 ms 1152 KB Output is correct
8 Correct 6 ms 1280 KB Output is correct
9 Correct 5 ms 1280 KB Output is correct
10 Correct 6 ms 1152 KB Output is correct
11 Correct 5 ms 1280 KB Output is correct
12 Correct 5 ms 1280 KB Output is correct
13 Correct 5 ms 1280 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 1280 KB Output is correct
6 Correct 5 ms 1152 KB Output is correct
7 Correct 5 ms 1152 KB Output is correct
8 Correct 6 ms 1280 KB Output is correct
9 Correct 5 ms 1280 KB Output is correct
10 Correct 6 ms 1152 KB Output is correct
11 Correct 5 ms 1280 KB Output is correct
12 Correct 5 ms 1280 KB Output is correct
13 Correct 5 ms 1280 KB Output is correct
14 Correct 11 ms 6144 KB Output is correct
15 Correct 6 ms 3584 KB Output is correct
16 Correct 7 ms 3200 KB Output is correct
17 Correct 5 ms 512 KB Output is correct
18 Correct 12 ms 6656 KB Output is correct
19 Correct 8 ms 5632 KB Output is correct
20 Correct 8 ms 5248 KB Output is correct
21 Correct 12 ms 6656 KB Output is correct
22 Correct 12 ms 6080 KB Output is correct
23 Correct 8 ms 5248 KB Output is correct
24 Correct 11 ms 6656 KB Output is correct
25 Correct 8 ms 5632 KB Output is correct
26 Correct 8 ms 5248 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 1280 KB Output is correct
6 Correct 5 ms 1152 KB Output is correct
7 Correct 5 ms 1152 KB Output is correct
8 Correct 6 ms 1280 KB Output is correct
9 Correct 5 ms 1280 KB Output is correct
10 Correct 6 ms 1152 KB Output is correct
11 Correct 5 ms 1280 KB Output is correct
12 Correct 5 ms 1280 KB Output is correct
13 Correct 5 ms 1280 KB Output is correct
14 Correct 11 ms 6144 KB Output is correct
15 Correct 6 ms 3584 KB Output is correct
16 Correct 7 ms 3200 KB Output is correct
17 Correct 5 ms 512 KB Output is correct
18 Correct 12 ms 6656 KB Output is correct
19 Correct 8 ms 5632 KB Output is correct
20 Correct 8 ms 5248 KB Output is correct
21 Correct 12 ms 6656 KB Output is correct
22 Correct 12 ms 6080 KB Output is correct
23 Correct 8 ms 5248 KB Output is correct
24 Correct 11 ms 6656 KB Output is correct
25 Correct 8 ms 5632 KB Output is correct
26 Correct 8 ms 5248 KB Output is correct
27 Correct 272 ms 82748 KB Output is correct
28 Correct 13 ms 18048 KB Output is correct
29 Correct 11 ms 5376 KB Output is correct
30 Correct 5 ms 768 KB Output is correct
31 Correct 203 ms 71928 KB Output is correct
32 Correct 161 ms 75256 KB Output is correct
33 Correct 175 ms 66296 KB Output is correct
34 Correct 229 ms 83448 KB Output is correct
35 Correct 184 ms 78968 KB Output is correct
36 Correct 172 ms 66296 KB Output is correct
37 Correct 287 ms 89440 KB Output is correct
38 Correct 101 ms 57592 KB Output is correct
39 Correct 111 ms 49400 KB Output is correct