#include <bits/stdc++.h>
using namespace std;
#define int long long
using vi = vector<int>;
using vb = vector<bool>;
using pi = pair<int, int>;
#define pb push_back
#define all(x) x.begin(), x.end()
#define FOR(i, a, b) for (int i = (int) a; i < (int) b; i++)
#define rep(i, n) for (int i = 0; i < (int) n; i++)
#define rep1(i, n) for (int i = 1; i <= (int) n; i++)
#define sz(x) (int) x.size()
#define fi first
#define se second
#define rd(a, sz) rep(i, n) cin >> a[i];
#define rd1(a, sz) rep1(i, n) cin >> a[i];
void __print(int x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ", "; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? ", " : ""), __print(i); cerr << '}';}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifndef ONLINE_JUDGE
#define debug(...) cerr << "[" << #__VA_ARGS__ << "] = ["; _print(__VA_ARGS__)
#else
#define debug(...)
#endif
template<class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
const int MOD = 1e9 + 7;
const int inf = 1e18;
void solve(int tc) {
int n, m, ans = 0; cin >> n >> m;
vector<vector<char>> a(n, vector<char> (m));
vector<int> r(n, 0), c(m, 0);
rep(i, n) rep(j, m) {
cin >> a[i][j];
if (a[i][j] == 'O') r[i]++;
if (a[i][j] == 'I') c[j]++;
}
rep(i, n) rep(j, m) {
if (a[i][j] == 'O') r[i]--;
if (a[i][j] == 'I') c[j]--;
if (a[i][j] == 'J') {
ans += r[i] * c[j];
}
}
cout << ans << "\n";
}
signed main() {
ios::sync_with_stdio(0); cin.tie(0);
int tt = 1;
// cin >> tt;
rep1(i, tt) solve(i);
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
6 ms |
468 KB |
Output is correct |
15 |
Correct |
0 ms |
340 KB |
Output is correct |
16 |
Correct |
3 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
8 ms |
468 KB |
Output is correct |
19 |
Correct |
6 ms |
724 KB |
Output is correct |
20 |
Correct |
4 ms |
716 KB |
Output is correct |
21 |
Correct |
9 ms |
724 KB |
Output is correct |
22 |
Correct |
6 ms |
724 KB |
Output is correct |
23 |
Correct |
5 ms |
724 KB |
Output is correct |
24 |
Correct |
8 ms |
832 KB |
Output is correct |
25 |
Correct |
6 ms |
692 KB |
Output is correct |
26 |
Correct |
4 ms |
724 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
6 ms |
468 KB |
Output is correct |
15 |
Correct |
0 ms |
340 KB |
Output is correct |
16 |
Correct |
3 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
8 ms |
468 KB |
Output is correct |
19 |
Correct |
6 ms |
724 KB |
Output is correct |
20 |
Correct |
4 ms |
716 KB |
Output is correct |
21 |
Correct |
9 ms |
724 KB |
Output is correct |
22 |
Correct |
6 ms |
724 KB |
Output is correct |
23 |
Correct |
5 ms |
724 KB |
Output is correct |
24 |
Correct |
8 ms |
832 KB |
Output is correct |
25 |
Correct |
6 ms |
692 KB |
Output is correct |
26 |
Correct |
4 ms |
724 KB |
Output is correct |
27 |
Correct |
248 ms |
9552 KB |
Output is correct |
28 |
Correct |
1 ms |
468 KB |
Output is correct |
29 |
Correct |
12 ms |
1492 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
183 ms |
7320 KB |
Output is correct |
32 |
Correct |
190 ms |
10124 KB |
Output is correct |
33 |
Correct |
148 ms |
9676 KB |
Output is correct |
34 |
Correct |
223 ms |
7796 KB |
Output is correct |
35 |
Correct |
177 ms |
9492 KB |
Output is correct |
36 |
Correct |
126 ms |
9476 KB |
Output is correct |
37 |
Correct |
258 ms |
9504 KB |
Output is correct |
38 |
Correct |
138 ms |
6764 KB |
Output is correct |
39 |
Correct |
93 ms |
6808 KB |
Output is correct |