oj.uz

답안 #818757

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
818757 2023-08-10T06:39:19 Z vjudge1 Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 617 ms 108016 KB 
#include <bits/stdc++.h>
#define ll long long 
#define pll pair<int, int>
#define pb push_back
#define fi first
#define se second
using namespace std;
const int MX=3005;
int h, w, prefr[MX][MX], prefc[MX][MX];
ll ans;
char g[MX][MX];

int main(){
	cin >> h >> w;
	vector<pll> start;
	for(int i=1; i<=h; i++){
		for(int j=1; j<=w; j++){
			cin >> g[i][j];
			if(g[i][j]=='J') start.pb({i, j});
			prefr[i][j]=prefr[i][j-1];
			prefc[j][i]=prefc[j][i-1];
			if(g[i][j]=='O') prefr[i][j]++;
			if(g[i][j]=='I') prefc[j][i]++;		
		}
	}
	for(auto i : start){
		int r=i.fi, c=i.se;
//		cout << r << " " << c << endl;
		int oo=(prefr[r][w]-prefr[r][c]);
		int ii=(prefc[c][h]-prefc[c][r]);
//		cout << "nilai " << ii << " " << oo << endl;
		ans+=ii*oo;
	}
	cout << ans << endl;
	return 0;
}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 1492 KB Output is correct
6 Correct 1 ms 1364 KB Output is correct
7 Correct 1 ms 1364 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1364 KB Output is correct
10 Correct 1 ms 1364 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1364 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 1492 KB Output is correct
6 Correct 1 ms 1364 KB Output is correct
7 Correct 1 ms 1364 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1364 KB Output is correct
10 Correct 1 ms 1364 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1364 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct
14 Correct 13 ms 7472 KB Output is correct
15 Correct 3 ms 3284 KB Output is correct
16 Correct 8 ms 5580 KB Output is correct
17 Correct 1 ms 1492 KB Output is correct
18 Correct 15 ms 8520 KB Output is correct
19 Correct 13 ms 7876 KB Output is correct
20 Correct 13 ms 8392 KB Output is correct
21 Correct 16 ms 8560 KB Output is correct
22 Correct 14 ms 8364 KB Output is correct
23 Correct 15 ms 8404 KB Output is correct
24 Correct 17 ms 8676 KB Output is correct
25 Correct 13 ms 7920 KB Output is correct
26 Correct 14 ms 8424 KB Output is correct

Subtask #3
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 1492 KB Output is correct
6 Correct 1 ms 1364 KB Output is correct
7 Correct 1 ms 1364 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1364 KB Output is correct
10 Correct 1 ms 1364 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1364 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct
14 Correct 13 ms 7472 KB Output is correct
15 Correct 3 ms 3284 KB Output is correct
16 Correct 8 ms 5580 KB Output is correct
17 Correct 1 ms 1492 KB Output is correct
18 Correct 15 ms 8520 KB Output is correct
19 Correct 13 ms 7876 KB Output is correct
20 Correct 13 ms 8392 KB Output is correct
21 Correct 16 ms 8560 KB Output is correct
22 Correct 14 ms 8364 KB Output is correct
23 Correct 15 ms 8404 KB Output is correct
24 Correct 17 ms 8676 KB Output is correct
25 Correct 13 ms 7920 KB Output is correct
26 Correct 14 ms 8424 KB Output is correct
27 Correct 514 ms 99796 KB Output is correct
28 Correct 12 ms 16852 KB Output is correct
29 Correct 65 ms 18568 KB Output is correct
30 Correct 7 ms 9808 KB Output is correct
31 Correct 395 ms 82648 KB Output is correct
32 Correct 512 ms 86208 KB Output is correct
33 Correct 550 ms 103040 KB Output is correct
34 Correct 465 ms 99988 KB Output is correct
35 Correct 583 ms 102280 KB Output is correct
36 Correct 542 ms 103088 KB Output is correct
37 Correct 617 ms 108016 KB Output is correct
38 Correct 326 ms 71412 KB Output is correct
39 Correct 366 ms 82588 KB Output is correct