#pragma GCC optimize("O3")
#pragma GCC target("sse4")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef pair<ld, ld> pd;
typedef vector<int> vi;
typedef vector<char> vc;
typedef vector<bool> vb;
typedef vector<vector<int>> vvi;
typedef vector<vc> vvc;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
#define FOR(i, a, b) for (ll i = a; i < (b); i++)
#define F0R(i, a) for (ll i = 0; i < (a); i++)
#define FORd(i, a, b) for (ll i = (b)-1; i >= a; i--)
#define F0Rd(i, a) for (ll i = (a)-1; i >= 0; i--)
#define trav(a, x) for (auto &a : x)
#define uid(a, b) uniform_int_distribution<int>(a, b)(rng)
#define len(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define fst first
#define nl endl
#define sec second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define ins insert
const int MOD = 1000000007;
const int MX = INT_MAX;
const int MN = INT_MIN;
void init()
{
#ifndef ONLINE_JUDGE
freopen("input.in", "r", stdin);
freopen("output.out", "w", stdout);
#endif
}
void fastIO()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
}
void solve()
{
int h,w;cin>>h>>w;
vvc arr (h,vc(w));
FOR(i,0,h)FOR(j,0,w)cin>>arr[i][j];
// FOR(i,0,h){FOR(j,0,w){cout<<arr[i][j];}cout << endl;}
int ans=0;
FOR(i,0,h){
FOR(j,0,w){
FOR(k,i,h){
FOR(l,j,w){
// cout << i << " " << j << " " << k << " " << l << " " << (arr[i][j]=='J' and arr[i][l]=='O' and arr[k][j]=='I') << endl;
if(arr[i][j]=='J' and arr[i][l]=='O' and arr[k][j]=='I') ans ++;
}
}
}
}
cout << ans << "\n";
}
int main()
{
fastIO();
// init();
int t = 1;
// cin >> t;
while (t--)
solve();
return 0;
}
Compilation message
joi2019_ho_t1.cpp: In function 'void init()':
joi2019_ho_t1.cpp:42:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
42 | freopen("input.in", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t1.cpp:43:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
43 | freopen("output.out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
8 ms |
332 KB |
Output is correct |
6 |
Correct |
2 ms |
324 KB |
Output is correct |
7 |
Correct |
15 ms |
344 KB |
Output is correct |
8 |
Correct |
8 ms |
340 KB |
Output is correct |
9 |
Correct |
4 ms |
212 KB |
Output is correct |
10 |
Correct |
15 ms |
340 KB |
Output is correct |
11 |
Correct |
10 ms |
340 KB |
Output is correct |
12 |
Correct |
3 ms |
212 KB |
Output is correct |
13 |
Correct |
15 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
8 ms |
332 KB |
Output is correct |
6 |
Correct |
2 ms |
324 KB |
Output is correct |
7 |
Correct |
15 ms |
344 KB |
Output is correct |
8 |
Correct |
8 ms |
340 KB |
Output is correct |
9 |
Correct |
4 ms |
212 KB |
Output is correct |
10 |
Correct |
15 ms |
340 KB |
Output is correct |
11 |
Correct |
10 ms |
340 KB |
Output is correct |
12 |
Correct |
3 ms |
212 KB |
Output is correct |
13 |
Correct |
15 ms |
340 KB |
Output is correct |
14 |
Execution timed out |
1068 ms |
596 KB |
Time limit exceeded |
15 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
8 ms |
332 KB |
Output is correct |
6 |
Correct |
2 ms |
324 KB |
Output is correct |
7 |
Correct |
15 ms |
344 KB |
Output is correct |
8 |
Correct |
8 ms |
340 KB |
Output is correct |
9 |
Correct |
4 ms |
212 KB |
Output is correct |
10 |
Correct |
15 ms |
340 KB |
Output is correct |
11 |
Correct |
10 ms |
340 KB |
Output is correct |
12 |
Correct |
3 ms |
212 KB |
Output is correct |
13 |
Correct |
15 ms |
340 KB |
Output is correct |
14 |
Execution timed out |
1068 ms |
596 KB |
Time limit exceeded |
15 |
Halted |
0 ms |
0 KB |
- |