Submission #795993

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
795993	2023-07-28T03:29:34 Z	vjudge1	Bitaro the Brave (JOI19_ho_t1)	C++17	50 / 100	238 ms	274432 KB

joi2019_ho_t1

// Problem: B - Bitaro the Brave
// Contest: Virtual Judge - THT - Day 14
// URL: https://vjudge.net/contest/571691#problem/B
// Memory Limit: 268 MB
// Time Limit: 1000 ms

#include <bits/stdc++.h>
#define ll long long
#define sp << " "
#define faster ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
using namespace std;
ll n, m, k, t, s;
char c[3005][3005];
ll a[3005][3005][3], b[3005][3005][3];
int main(){
    faster;
    cin >> n >> m;
    for(ll i = 1; i <= n; i++){
    	for(ll j = 1; j <= m; j++) cin >> c[i][j];
    }
    for(ll i = 1; i <= n; i++){
    	for(ll j = m; j >= 1; j--){
    		a[i][j][1]=a[i][j+1][1];
    		if(c[i][j]=='O') a[i][j][1]++;
    	}
    }
    for(ll j = 1; j <= m; j++){
    	for(ll i = n; i >= 1; i--){
    		b[i][j][2]=b[i+1][j][2];
    		if(c[i][j]=='I') b[i][j][2]++;
    	}
    }
    for(ll i = 1; i <= n; i++){
    	for(ll j = 1; j <= m; j++){
			if(c[i][j]=='J')s+=(a[i][j][1]*b[i][j][2]);
    	}
    }
    cout << s;
    return 0;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	328 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	392 KB	Output is correct
5	Correct	1 ms	1876 KB	Output is correct
6	Correct	1 ms	1748 KB	Output is correct
7	Correct	1 ms	1740 KB	Output is correct
8	Correct	1 ms	1876 KB	Output is correct
9	Correct	1 ms	1740 KB	Output is correct
10	Correct	1 ms	1748 KB	Output is correct
11	Correct	1 ms	1876 KB	Output is correct
12	Correct	1 ms	1748 KB	Output is correct
13	Correct	2 ms	1748 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	328 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	392 KB	Output is correct
5	Correct	1 ms	1876 KB	Output is correct
6	Correct	1 ms	1748 KB	Output is correct
7	Correct	1 ms	1740 KB	Output is correct
8	Correct	1 ms	1876 KB	Output is correct
9	Correct	1 ms	1740 KB	Output is correct
10	Correct	1 ms	1748 KB	Output is correct
11	Correct	1 ms	1876 KB	Output is correct
12	Correct	1 ms	1748 KB	Output is correct
13	Correct	2 ms	1748 KB	Output is correct
14	Correct	11 ms	15060 KB	Output is correct
15	Correct	2 ms	5200 KB	Output is correct
16	Correct	8 ms	9328 KB	Output is correct
17	Correct	1 ms	596 KB	Output is correct
18	Correct	13 ms	17828 KB	Output is correct
19	Correct	12 ms	17408 KB	Output is correct
20	Correct	12 ms	17456 KB	Output is correct
21	Correct	14 ms	17804 KB	Output is correct
22	Correct	12 ms	17364 KB	Output is correct
23	Correct	12 ms	17464 KB	Output is correct
24	Correct	14 ms	17772 KB	Output is correct
25	Correct	12 ms	17364 KB	Output is correct
26	Correct	12 ms	17540 KB	Output is correct

Subtask #3

0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	328 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	392 KB	Output is correct
5	Correct	1 ms	1876 KB	Output is correct
6	Correct	1 ms	1748 KB	Output is correct
7	Correct	1 ms	1740 KB	Output is correct
8	Correct	1 ms	1876 KB	Output is correct
9	Correct	1 ms	1740 KB	Output is correct
10	Correct	1 ms	1748 KB	Output is correct
11	Correct	1 ms	1876 KB	Output is correct
12	Correct	1 ms	1748 KB	Output is correct
13	Correct	2 ms	1748 KB	Output is correct
14	Correct	11 ms	15060 KB	Output is correct
15	Correct	2 ms	5200 KB	Output is correct
16	Correct	8 ms	9328 KB	Output is correct
17	Correct	1 ms	596 KB	Output is correct
18	Correct	13 ms	17828 KB	Output is correct
19	Correct	12 ms	17408 KB	Output is correct
20	Correct	12 ms	17456 KB	Output is correct
21	Correct	14 ms	17804 KB	Output is correct
22	Correct	12 ms	17364 KB	Output is correct
23	Correct	12 ms	17464 KB	Output is correct
24	Correct	14 ms	17772 KB	Output is correct
25	Correct	12 ms	17364 KB	Output is correct
26	Correct	12 ms	17540 KB	Output is correct
27	Runtime error	238 ms	274432 KB	Execution killed with signal 9
28	Halted	0 ms	0 KB	-