#include<bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC target("tune=native")
#pragma GCC optimize("unroll-loops")
using namespace std;
template<class A, class B>
ostream& operator<<(ostream& os, const pair<A, B> &p) {
os << '(' << p.first << ',' << p.second << ')';
return os;
}
template<class T>
ostream& operator<<(ostream& os, const vector<T> &v) {
os << '{';
bool osu = 1;
for(auto &i : v) { if(!osu) os << ','; os << i; osu = 0; }
os << '}';
return os;
}
template<class T>
ostream& operator<<(ostream& os, const deque<T> &v) {
os << '{';
bool osu = 1;
for(auto &i : v) { if(!osu) os << ','; os << i; osu = 0; }
os << '}';
return os;
}
template<class T,long long unsigned int size>
ostream& operator<<(ostream& os, const array<T,size> &arr) {
os << '{';
bool osu = 1;
for(auto &i : arr) { if(!osu) os << ','; os << i; osu = 0; }
os << '}';
return os;
}
#define ll long long
#define ull unsigned long long
#define lll __int128
#define rep(i,n,N) for(int i=(n);i<=(N);++i)
#define For(i,n,N) for(int i=(n);i< (N);++i)
#define rap(i,n,N) for(int i=(n);i>=(N);--i)
#define rip(i,n,N,V) for(int i=(n);i<=(N);i+=V)
#define mp make_pair
#define pb push_back
#define pob pop_back
#define pf push_front
#define pof pop_front
//#define le left
//#define ri right
#define fi first
#define se second
#define ff fi.fi
#define fs fi.se
#define sf se.fi
#define ss se.se
#define lc (id<<1)
#define rc ((id<<1)|1)
#define debug(x) cout << #x << " -> " << (x) << endl
#define out(x,y) cout << ">> " << (x) << " " << (y) << endl
#define ou3(x,y,z) cout << ">> " << (x) << " " << (y) << " " << (z) << endl
#define mems(x,y) memset(&x,y,sizeof x)
#define memsv(x,y) memset(&x[0], y, sizeof(x[0]) * x.size())
#define popcount __builtin_popcountll
#define clz(x) (1<<(31-__builtin_clz(x)))
#define clzll(x) (1LL<<(63-__builtin_clzll(x)))
#define all(x) x.begin(),x.end()
#define rsort(x) sort(x), reverse(x)
#define revsort(a,b) sort(a,b), reverse(a,b)
#define PQ(T) priority_queue<T>
#define PQr(T) priority_queue<T, vector<T>, greater<T>>
#define permute(x) while(next_permutation(all(x)))
#define distinct(x) x.erase(unique(all(x)),x.end())
#define vi vector<int>
#define vvi vector<vi>
#define vii vector<pii>
#define vll vector<ll>
#define vlll vector<pll>
#define vvll vector<vll>
#define ari(x) array<int,x>
#define arll(x) array<ll,x>
#define ard(x) array<double,x>
#define pii pair<int,int>
#define pll pair<ll,ll>
#define plll pair<ll,pll>
#define pllll pair<pll,pll>
#define piii pair<int,pii>
#define piiii pair<pii,pii>
#define psi pair<string,int>
#define endl '\n'
const int MAX = 3e3+5;
const int MOD = 1000000007;
const ll MOD2 = 2010405347;
const ll INF = 2e18;
const int dr[]={1,-1,0,0,1,1,-1,-1};
const int dc[]={0,0,-1,1,1,-1,1,-1};
const double pi = acos(-1);
const double EPS = 1e-9;
const int block = 500;
inline ll pw(ll x,ll y,ll md=MOD){ll ret=1;x%=md;while(y){if(y&1)ret=ret*x%md;x=x*x%md,y>>=1;}return ret;}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int n,m,y[MAX][MAX],z[MAX][MAX];
ll ans;
char x[MAX][MAX];
int main(){
// cout<<fixed<<setprecision(10);
// freopen("input.txt", "r", stdin);
// freopen("output.txt","w",stdout);
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin>>n>>m;
rep(i,1,n)rep(j,1,m)cin>>x[i][j];
rap(i,n,1)rap(j,m,1){
y[i][j] = y[i][j+1];
z[i][j] = z[i+1][j];
if(x[i][j]=='O')++y[i][j];
else if(x[i][j]=='I')++z[i][j];
}
rep(i,1,n)rep(j,1,m)if(x[i][j]=='J')ans+= y[i][j]*z[i][j];
cout<<ans<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1492 KB |
Output is correct |
7 |
Correct |
1 ms |
1364 KB |
Output is correct |
8 |
Correct |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
1 ms |
1492 KB |
Output is correct |
10 |
Correct |
2 ms |
1368 KB |
Output is correct |
11 |
Correct |
1 ms |
1492 KB |
Output is correct |
12 |
Correct |
1 ms |
1492 KB |
Output is correct |
13 |
Correct |
1 ms |
1364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1492 KB |
Output is correct |
7 |
Correct |
1 ms |
1364 KB |
Output is correct |
8 |
Correct |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
1 ms |
1492 KB |
Output is correct |
10 |
Correct |
2 ms |
1368 KB |
Output is correct |
11 |
Correct |
1 ms |
1492 KB |
Output is correct |
12 |
Correct |
1 ms |
1492 KB |
Output is correct |
13 |
Correct |
1 ms |
1364 KB |
Output is correct |
14 |
Correct |
6 ms |
7520 KB |
Output is correct |
15 |
Correct |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
4308 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
8 ms |
8044 KB |
Output is correct |
19 |
Correct |
7 ms |
7880 KB |
Output is correct |
20 |
Correct |
7 ms |
7772 KB |
Output is correct |
21 |
Correct |
8 ms |
8028 KB |
Output is correct |
22 |
Correct |
8 ms |
7904 KB |
Output is correct |
23 |
Correct |
9 ms |
7776 KB |
Output is correct |
24 |
Correct |
11 ms |
8004 KB |
Output is correct |
25 |
Correct |
6 ms |
7924 KB |
Output is correct |
26 |
Correct |
5 ms |
7860 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1492 KB |
Output is correct |
7 |
Correct |
1 ms |
1364 KB |
Output is correct |
8 |
Correct |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
1 ms |
1492 KB |
Output is correct |
10 |
Correct |
2 ms |
1368 KB |
Output is correct |
11 |
Correct |
1 ms |
1492 KB |
Output is correct |
12 |
Correct |
1 ms |
1492 KB |
Output is correct |
13 |
Correct |
1 ms |
1364 KB |
Output is correct |
14 |
Correct |
6 ms |
7520 KB |
Output is correct |
15 |
Correct |
2 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
4308 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
8 ms |
8044 KB |
Output is correct |
19 |
Correct |
7 ms |
7880 KB |
Output is correct |
20 |
Correct |
7 ms |
7772 KB |
Output is correct |
21 |
Correct |
8 ms |
8028 KB |
Output is correct |
22 |
Correct |
8 ms |
7904 KB |
Output is correct |
23 |
Correct |
9 ms |
7776 KB |
Output is correct |
24 |
Correct |
11 ms |
8004 KB |
Output is correct |
25 |
Correct |
6 ms |
7924 KB |
Output is correct |
26 |
Correct |
5 ms |
7860 KB |
Output is correct |
27 |
Correct |
201 ms |
87924 KB |
Output is correct |
28 |
Correct |
11 ms |
25952 KB |
Output is correct |
29 |
Correct |
10 ms |
7800 KB |
Output is correct |
30 |
Correct |
1 ms |
600 KB |
Output is correct |
31 |
Correct |
153 ms |
72524 KB |
Output is correct |
32 |
Correct |
144 ms |
88436 KB |
Output is correct |
33 |
Correct |
146 ms |
88236 KB |
Output is correct |
34 |
Correct |
173 ms |
84068 KB |
Output is correct |
35 |
Correct |
129 ms |
88444 KB |
Output is correct |
36 |
Correct |
149 ms |
88160 KB |
Output is correct |
37 |
Correct |
220 ms |
88520 KB |
Output is correct |
38 |
Correct |
121 ms |
72512 KB |
Output is correct |
39 |
Correct |
126 ms |
72316 KB |
Output is correct |