//#define NDEBUG
#include <bits/stdc++.h>
#include <bits/extc++.h>
#define StarBurstStream ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define iter(a) a.begin(), a.end()
#define riter(a) a.rbegin(), a.rend()
#define lsort(a) sort(iter(a))
#define gsort(a) sort(riter(a))
#define mp(a, b) make_pair(a, b)
#define pb(a) push_back(a)
#define eb(a) emplace_back(a)
#define pf(a) push_front(a)
#define pob pop_back()
#define pof pop_front()
#define F first
#define S second
#define printv(a, b) {bool pvaspace=false; \
for(auto pva : a){ \
if(pvaspace) b << " "; pvaspace=true;\
b << pva;\
}\
b << "\n";}
#define pii pair<int, int>
#define pll pair<ll, ll>
#define tiii tuple<int, int, int>
#define mt make_tuple
#define gt(t, i) get<i>(t)
#define iceil(a, b) ((a) / (b) + !!((a) % (b)))
//#define TEST
typedef long long ll;
typedef unsigned long long ull;
using namespace std;
using namespace __gnu_pbds;
const ll MOD = 1000000007;
const ll MAX = 2147483647;
template<typename A, typename B>
ostream& operator<<(ostream& o, pair<A, B> p){
return o << '(' << p.F << ',' << p.S << ')';
}
int main(){
StarBurstStream
int h, w;
cin >> h >> w;
vector<string> a(h);
for(int i = 0; i < h; i++) cin >> a[i];
vector<ll> cnt(w);
ll ans = 0;
for(int i = h - 1; i >= 0; i--){
ll now = 0;
for(int j = w - 1; j >= 0; j--){
if(a[i][j] == 'O') now++;
else if(a[i][j] == 'I') cnt[j]++;
else ans += now * cnt[j];
}
}
cout << ans << "\n";
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
256 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
384 KB |
Output is correct |
| 10 |
Correct |
4 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
256 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
384 KB |
Output is correct |
| 10 |
Correct |
4 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| 14 |
Correct |
7 ms |
768 KB |
Output is correct |
| 15 |
Correct |
4 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
640 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
7 ms |
896 KB |
Output is correct |
| 19 |
Correct |
6 ms |
896 KB |
Output is correct |
| 20 |
Correct |
5 ms |
896 KB |
Output is correct |
| 21 |
Correct |
7 ms |
896 KB |
Output is correct |
| 22 |
Correct |
5 ms |
768 KB |
Output is correct |
| 23 |
Correct |
6 ms |
896 KB |
Output is correct |
| 24 |
Correct |
7 ms |
896 KB |
Output is correct |
| 25 |
Correct |
5 ms |
768 KB |
Output is correct |
| 26 |
Correct |
5 ms |
896 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
256 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
384 KB |
Output is correct |
| 10 |
Correct |
4 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| 14 |
Correct |
7 ms |
768 KB |
Output is correct |
| 15 |
Correct |
4 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
640 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
7 ms |
896 KB |
Output is correct |
| 19 |
Correct |
6 ms |
896 KB |
Output is correct |
| 20 |
Correct |
5 ms |
896 KB |
Output is correct |
| 21 |
Correct |
7 ms |
896 KB |
Output is correct |
| 22 |
Correct |
5 ms |
768 KB |
Output is correct |
| 23 |
Correct |
6 ms |
896 KB |
Output is correct |
| 24 |
Correct |
7 ms |
896 KB |
Output is correct |
| 25 |
Correct |
5 ms |
768 KB |
Output is correct |
| 26 |
Correct |
5 ms |
896 KB |
Output is correct |
| 27 |
Correct |
91 ms |
12416 KB |
Output is correct |
| 28 |
Correct |
5 ms |
384 KB |
Output is correct |
| 29 |
Correct |
6 ms |
1664 KB |
Output is correct |
| 30 |
Correct |
5 ms |
384 KB |
Output is correct |
| 31 |
Correct |
69 ms |
9976 KB |
Output is correct |
| 32 |
Correct |
34 ms |
12920 KB |
Output is correct |
| 33 |
Correct |
29 ms |
12928 KB |
Output is correct |
| 34 |
Correct |
80 ms |
10880 KB |
Output is correct |
| 35 |
Correct |
35 ms |
12800 KB |
Output is correct |
| 36 |
Correct |
33 ms |
12928 KB |
Output is correct |
| 37 |
Correct |
93 ms |
12928 KB |
Output is correct |
| 38 |
Correct |
24 ms |
9856 KB |
Output is correct |
| 39 |
Correct |
22 ms |
9856 KB |
Output is correct |
