답안 #574056

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
574056	2022-06-07T16:21:43 Z	MateGiorbelidze	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	167 ms	151244 KB

joi2019_ho_t1

#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define ff first
#define sc second
#define pb push_back
#define in insert

ll p[3005][3005], d[3005][3005];

int32_t main () {
	ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    ll n , m; cin>>n>>m;
    
    string s[n + 1];
    
    for (int i = 1; i <= n; i++)
    	cin>>s[i];
    
    for (int i = n; i > 0; i--) {
    	for (int j = m - 1; j >= 0; j--) {
    		
    		d[i][j] = d[i][j + 1];
    		p[i][j] = p[i + 1][j];
    		
    		if (s[i][j] == 'O') d[i][j]++;
    		if (s[i][j] == 'I') p[i][j]++;
		}
	}
	
	ll ans = 0;
	
	for (int i = n; i > 0; i--) {
    	for (int j = m - 1; j >= 0; j--) {
    		
    		if (s[i][j] == 'J') {
    			ans += (d[i][j] * p[i][j]);	
			}
			
		}
	}
    
    cout<<ans;
    
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	1236 KB	Output is correct
6	Correct	1 ms	1236 KB	Output is correct
7	Correct	1 ms	1108 KB	Output is correct
8	Correct	2 ms	1236 KB	Output is correct
9	Correct	1 ms	1236 KB	Output is correct
10	Correct	1 ms	1108 KB	Output is correct
11	Correct	2 ms	1236 KB	Output is correct
12	Correct	1 ms	1264 KB	Output is correct
13	Correct	1 ms	1108 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	1236 KB	Output is correct
6	Correct	1 ms	1236 KB	Output is correct
7	Correct	1 ms	1108 KB	Output is correct
8	Correct	2 ms	1236 KB	Output is correct
9	Correct	1 ms	1236 KB	Output is correct
10	Correct	1 ms	1108 KB	Output is correct
11	Correct	2 ms	1236 KB	Output is correct
12	Correct	1 ms	1264 KB	Output is correct
13	Correct	1 ms	1108 KB	Output is correct
14	Correct	6 ms	7508 KB	Output is correct
15	Correct	2 ms	3796 KB	Output is correct
16	Correct	3 ms	4564 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	7 ms	8564 KB	Output is correct
19	Correct	5 ms	8276 KB	Output is correct
20	Correct	5 ms	8388 KB	Output is correct
21	Correct	7 ms	8532 KB	Output is correct
22	Correct	5 ms	8276 KB	Output is correct
23	Correct	7 ms	8276 KB	Output is correct
24	Correct	9 ms	8532 KB	Output is correct
25	Correct	6 ms	8336 KB	Output is correct
26	Correct	6 ms	8380 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	1236 KB	Output is correct
6	Correct	1 ms	1236 KB	Output is correct
7	Correct	1 ms	1108 KB	Output is correct
8	Correct	2 ms	1236 KB	Output is correct
9	Correct	1 ms	1236 KB	Output is correct
10	Correct	1 ms	1108 KB	Output is correct
11	Correct	2 ms	1236 KB	Output is correct
12	Correct	1 ms	1264 KB	Output is correct
13	Correct	1 ms	1108 KB	Output is correct
14	Correct	6 ms	7508 KB	Output is correct
15	Correct	2 ms	3796 KB	Output is correct
16	Correct	3 ms	4564 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	7 ms	8564 KB	Output is correct
19	Correct	5 ms	8276 KB	Output is correct
20	Correct	5 ms	8388 KB	Output is correct
21	Correct	7 ms	8532 KB	Output is correct
22	Correct	5 ms	8276 KB	Output is correct
23	Correct	7 ms	8276 KB	Output is correct
24	Correct	9 ms	8532 KB	Output is correct
25	Correct	6 ms	8336 KB	Output is correct
26	Correct	6 ms	8380 KB	Output is correct
27	Correct	166 ms	150708 KB	Output is correct
28	Correct	10 ms	19540 KB	Output is correct
29	Correct	10 ms	13216 KB	Output is correct
30	Correct	1 ms	724 KB	Output is correct
31	Correct	128 ms	124608 KB	Output is correct
32	Correct	120 ms	151060 KB	Output is correct
33	Correct	105 ms	150672 KB	Output is correct
34	Correct	156 ms	144624 KB	Output is correct
35	Correct	113 ms	151152 KB	Output is correct
36	Correct	114 ms	150728 KB	Output is correct
37	Correct	167 ms	151244 KB	Output is correct
38	Correct	82 ms	124076 KB	Output is correct
39	Correct	78 ms	124056 KB	Output is correct