#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#include<bits/stdc++.h>
using namespace __gnu_pbds;
using namespace std;
typedef long long ll;
#define fr first
#define sc second
#define mk make_pair
#define pb push_back
#define pob pop_back
#define pf push_front
#define pof pop_front
#define int long long
#define pii pair<int,int>
#define piii pair<int,pii>
#define all(s) s.begin(), s.end()
#define allr(s) s.rbegin(), s.rend()
#define NeedForSpeed ios::sync_with_stdio(0), cin.tie(0)
#define ordered_set tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update>
const int N = 3009;
int n, m, k, a, b, c, d, arr[N][N];
map<int, int>g[N], s[N];
void solve(){
cin>>n>>m;
for(int i=1; i<=n; i++){
for(int j=1; j<=m; j++){
char ch;
cin>>ch;
if(ch == 'J')arr[i][j] = 1;
if(ch == 'O')arr[i][j] = 2;
if(ch == 'I')arr[i][j] = 3;
}
}
for(int i=1; i<=n; i++){
for(int j=1; j<=m; j++){
g[i][arr[i][j]]++;
s[j][arr[i][j]]++;
}
}
int res = 0;
for(int i=1; i<=n; i++){
for(int j=1; j<=m; j++){
if(arr[i][j] == 1){
res += (g[i][2] * s[j][3]);
}
else if(g[i][2] > 0 && arr[i][j] == 2){
g[i][2]--;
}
else if(s[j][3] > 0 && arr[i][j] == 3){
s[j][3]--;
}
}
}
cout<<res<<"\n";
}
main(){
NeedForSpeed;
int T = 1;
// cin >> T;
while(T--){
solve();
}
return 0;
}
Compilation message
joi2019_ho_t1.cpp:64:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
64 | main(){
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
612 KB |
Output is correct |
3 |
Correct |
1 ms |
596 KB |
Output is correct |
4 |
Correct |
1 ms |
596 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 |
980 KB |
Output is correct |
8 |
Correct |
2 ms |
1108 KB |
Output is correct |
9 |
Correct |
1 ms |
1108 KB |
Output is correct |
10 |
Correct |
1 ms |
980 KB |
Output is correct |
11 |
Correct |
2 ms |
1108 KB |
Output is correct |
12 |
Correct |
1 ms |
1108 KB |
Output is correct |
13 |
Correct |
1 ms |
1000 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
612 KB |
Output is correct |
3 |
Correct |
1 ms |
596 KB |
Output is correct |
4 |
Correct |
1 ms |
596 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 |
980 KB |
Output is correct |
8 |
Correct |
2 ms |
1108 KB |
Output is correct |
9 |
Correct |
1 ms |
1108 KB |
Output is correct |
10 |
Correct |
1 ms |
980 KB |
Output is correct |
11 |
Correct |
2 ms |
1108 KB |
Output is correct |
12 |
Correct |
1 ms |
1108 KB |
Output is correct |
13 |
Correct |
1 ms |
1000 KB |
Output is correct |
14 |
Correct |
14 ms |
4436 KB |
Output is correct |
15 |
Correct |
2 ms |
2388 KB |
Output is correct |
16 |
Correct |
7 ms |
2900 KB |
Output is correct |
17 |
Correct |
1 ms |
724 KB |
Output is correct |
18 |
Correct |
15 ms |
4948 KB |
Output is correct |
19 |
Correct |
12 ms |
4848 KB |
Output is correct |
20 |
Correct |
9 ms |
4820 KB |
Output is correct |
21 |
Correct |
17 ms |
4984 KB |
Output is correct |
22 |
Correct |
13 ms |
4820 KB |
Output is correct |
23 |
Correct |
9 ms |
4848 KB |
Output is correct |
24 |
Correct |
16 ms |
4948 KB |
Output is correct |
25 |
Correct |
11 ms |
4900 KB |
Output is correct |
26 |
Correct |
9 ms |
4848 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
612 KB |
Output is correct |
3 |
Correct |
1 ms |
596 KB |
Output is correct |
4 |
Correct |
1 ms |
596 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 |
980 KB |
Output is correct |
8 |
Correct |
2 ms |
1108 KB |
Output is correct |
9 |
Correct |
1 ms |
1108 KB |
Output is correct |
10 |
Correct |
1 ms |
980 KB |
Output is correct |
11 |
Correct |
2 ms |
1108 KB |
Output is correct |
12 |
Correct |
1 ms |
1108 KB |
Output is correct |
13 |
Correct |
1 ms |
1000 KB |
Output is correct |
14 |
Correct |
14 ms |
4436 KB |
Output is correct |
15 |
Correct |
2 ms |
2388 KB |
Output is correct |
16 |
Correct |
7 ms |
2900 KB |
Output is correct |
17 |
Correct |
1 ms |
724 KB |
Output is correct |
18 |
Correct |
15 ms |
4948 KB |
Output is correct |
19 |
Correct |
12 ms |
4848 KB |
Output is correct |
20 |
Correct |
9 ms |
4820 KB |
Output is correct |
21 |
Correct |
17 ms |
4984 KB |
Output is correct |
22 |
Correct |
13 ms |
4820 KB |
Output is correct |
23 |
Correct |
9 ms |
4848 KB |
Output is correct |
24 |
Correct |
16 ms |
4948 KB |
Output is correct |
25 |
Correct |
11 ms |
4900 KB |
Output is correct |
26 |
Correct |
9 ms |
4848 KB |
Output is correct |
27 |
Correct |
461 ms |
80604 KB |
Output is correct |
28 |
Correct |
6 ms |
10452 KB |
Output is correct |
29 |
Correct |
25 ms |
7776 KB |
Output is correct |
30 |
Correct |
3 ms |
1236 KB |
Output is correct |
31 |
Correct |
339 ms |
66612 KB |
Output is correct |
32 |
Correct |
391 ms |
81068 KB |
Output is correct |
33 |
Correct |
257 ms |
80756 KB |
Output is correct |
34 |
Correct |
414 ms |
76968 KB |
Output is correct |
35 |
Correct |
404 ms |
81256 KB |
Output is correct |
36 |
Correct |
257 ms |
80712 KB |
Output is correct |
37 |
Correct |
486 ms |
81116 KB |
Output is correct |
38 |
Correct |
234 ms |
66120 KB |
Output is correct |
39 |
Correct |
197 ms |
66028 KB |
Output is correct |