답안 #230048

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
230048	2020-05-07T21:14:20 Z	nickmet2004	Bitaro the Brave (JOI19_ho_t1)	C++11	100 / 100	287 ms	89440 KB

joi2019_ho_t1

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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