#include <bits/stdc++.h>
using ll = long long;
int const nmax = 3000;
int a[1 + nmax][1 + nmax];
int ingots[1 + nmax][1 + nmax];
/*
1 -> jewel
2 -> orb
3 -> ingot
*/
int main() {
std::ios_base::sync_with_stdio(0);
std::cin.tie(0);
int n, m;
std::cin >> n >> m;
for(int i = 1;i <= n; i++) {
std::string s;
std::cin >> s;
for(int j = 1;j <= m; j++) {
if(s[j - 1] == 'J')
a[i][j] = 1;
else if(s[j - 1] == 'O')
a[i][j] = 2;
else
a[i][j] = 3;
}
}
for(int i = n;i >= 1; i--) {
for(int j = 1;j <= m; j++) {
ingots[i][j] = ingots[i + 1][j];
if(a[i][j] == 3)
ingots[i][j]++;
}
}
ll ans = 0;
for(int i = 1;i <= n; i++) {
int orbs = 0;
for(int j = m; j >= 1; j--) {
if(a[i][j] == 1) {
ans += orbs * ingots[i][j];
} else if(a[i][j] == 2) {
orbs++;
}
}
}
std::cout << ans;
return 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 |
1108 KB |
Output is correct |
6 |
Correct |
1 ms |
1108 KB |
Output is correct |
7 |
Correct |
1 ms |
1108 KB |
Output is correct |
8 |
Correct |
1 ms |
1108 KB |
Output is correct |
9 |
Correct |
1 ms |
1108 KB |
Output is correct |
10 |
Correct |
1 ms |
1108 KB |
Output is correct |
11 |
Correct |
1 ms |
1108 KB |
Output is correct |
12 |
Correct |
1 ms |
1108 KB |
Output is correct |
13 |
Correct |
1 ms |
1108 KB |
Output is correct |
# |
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 |
1108 KB |
Output is correct |
6 |
Correct |
1 ms |
1108 KB |
Output is correct |
7 |
Correct |
1 ms |
1108 KB |
Output is correct |
8 |
Correct |
1 ms |
1108 KB |
Output is correct |
9 |
Correct |
1 ms |
1108 KB |
Output is correct |
10 |
Correct |
1 ms |
1108 KB |
Output is correct |
11 |
Correct |
1 ms |
1108 KB |
Output is correct |
12 |
Correct |
1 ms |
1108 KB |
Output is correct |
13 |
Correct |
1 ms |
1108 KB |
Output is correct |
14 |
Correct |
5 ms |
5844 KB |
Output is correct |
15 |
Correct |
1 ms |
3668 KB |
Output is correct |
16 |
Correct |
2 ms |
3412 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
6 ms |
6228 KB |
Output is correct |
19 |
Correct |
5 ms |
6228 KB |
Output is correct |
20 |
Correct |
3 ms |
6100 KB |
Output is correct |
21 |
Correct |
6 ms |
6228 KB |
Output is correct |
22 |
Correct |
4 ms |
6228 KB |
Output is correct |
23 |
Correct |
3 ms |
6100 KB |
Output is correct |
24 |
Correct |
6 ms |
6228 KB |
Output is correct |
25 |
Correct |
3 ms |
6228 KB |
Output is correct |
26 |
Correct |
4 ms |
6100 KB |
Output is correct |
# |
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 |
1108 KB |
Output is correct |
6 |
Correct |
1 ms |
1108 KB |
Output is correct |
7 |
Correct |
1 ms |
1108 KB |
Output is correct |
8 |
Correct |
1 ms |
1108 KB |
Output is correct |
9 |
Correct |
1 ms |
1108 KB |
Output is correct |
10 |
Correct |
1 ms |
1108 KB |
Output is correct |
11 |
Correct |
1 ms |
1108 KB |
Output is correct |
12 |
Correct |
1 ms |
1108 KB |
Output is correct |
13 |
Correct |
1 ms |
1108 KB |
Output is correct |
14 |
Correct |
5 ms |
5844 KB |
Output is correct |
15 |
Correct |
1 ms |
3668 KB |
Output is correct |
16 |
Correct |
2 ms |
3412 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
6 ms |
6228 KB |
Output is correct |
19 |
Correct |
5 ms |
6228 KB |
Output is correct |
20 |
Correct |
3 ms |
6100 KB |
Output is correct |
21 |
Correct |
6 ms |
6228 KB |
Output is correct |
22 |
Correct |
4 ms |
6228 KB |
Output is correct |
23 |
Correct |
3 ms |
6100 KB |
Output is correct |
24 |
Correct |
6 ms |
6228 KB |
Output is correct |
25 |
Correct |
3 ms |
6228 KB |
Output is correct |
26 |
Correct |
4 ms |
6100 KB |
Output is correct |
27 |
Correct |
154 ms |
70696 KB |
Output is correct |
28 |
Correct |
8 ms |
19096 KB |
Output is correct |
29 |
Correct |
5 ms |
6356 KB |
Output is correct |
30 |
Correct |
1 ms |
468 KB |
Output is correct |
31 |
Correct |
118 ms |
59084 KB |
Output is correct |
32 |
Correct |
75 ms |
70824 KB |
Output is correct |
33 |
Correct |
58 ms |
70552 KB |
Output is correct |
34 |
Correct |
135 ms |
68360 KB |
Output is correct |
35 |
Correct |
70 ms |
70732 KB |
Output is correct |
36 |
Correct |
56 ms |
70508 KB |
Output is correct |
37 |
Correct |
153 ms |
70732 KB |
Output is correct |
38 |
Correct |
56 ms |
59048 KB |
Output is correct |
39 |
Correct |
41 ms |
58752 KB |
Output is correct |