#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define sst string
#define pb push_back
#define maxco 100000+5
#define lld long double
#define cha ios_base::sync_with_stdio(false);
#define ffl cout.flush();
#define phi acos(-1)
#define mr make_pair
#define REP(i,a,b) for (int i = a; i <= b; i++)
#define pqin priority_queue<ll,vector<ll>,greater<>>
#define pqpair priority_queue<pair<ll,ll> ,vector<pair<ll,ll>>,greater<pair<ll,ll>>>
#define pqpair2 priority_queue<pair<pair<ll,ll>,pair<ll,ll>>,vector<pair<pi,pair<ll,ll>>>,greater<pair<pi,pair<ll,ll>>>>
#define INF 1000000009
#define MAXN 1000006
#define pii pair<ll,ll>
#define mod 998244353
ll h,w;
sst s[3003];
ll ps1[3003][3003],ps2[3003][3003];
int main(){
cin>>h>>w;
REP(i,0,h-1)cin>>s[i];
REP(i,0,h-1){
REP(j,0,w-1){
ll bci=max((ll)0,i-1ll);
ll bcj=max((ll)0,j-1ll);
ps2[i][j]+=ps2[i][bcj]+(s[i][j]=='O');
ps1[i][j]+=ps1[bci][j]+(s[i][j]=='I');
}
}
ll ans=0;
REP(i,0,h-1){
REP(j,0,w-1){
if(s[i][j]=='J'){
ans+=(ps1[h-1][j]-ps1[i][j])*(ps2[i][w-1]-ps2[i][j]);
}
}
}
cout<<ans<<endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
604 KB |
Output is correct |
5 |
Correct |
1 ms |
3164 KB |
Output is correct |
6 |
Correct |
1 ms |
3368 KB |
Output is correct |
7 |
Correct |
1 ms |
3160 KB |
Output is correct |
8 |
Correct |
1 ms |
3164 KB |
Output is correct |
9 |
Correct |
1 ms |
3164 KB |
Output is correct |
10 |
Correct |
1 ms |
3164 KB |
Output is correct |
11 |
Correct |
1 ms |
3164 KB |
Output is correct |
12 |
Correct |
1 ms |
3164 KB |
Output is correct |
13 |
Correct |
1 ms |
3164 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
604 KB |
Output is correct |
5 |
Correct |
1 ms |
3164 KB |
Output is correct |
6 |
Correct |
1 ms |
3368 KB |
Output is correct |
7 |
Correct |
1 ms |
3160 KB |
Output is correct |
8 |
Correct |
1 ms |
3164 KB |
Output is correct |
9 |
Correct |
1 ms |
3164 KB |
Output is correct |
10 |
Correct |
1 ms |
3164 KB |
Output is correct |
11 |
Correct |
1 ms |
3164 KB |
Output is correct |
12 |
Correct |
1 ms |
3164 KB |
Output is correct |
13 |
Correct |
1 ms |
3164 KB |
Output is correct |
14 |
Correct |
5 ms |
18780 KB |
Output is correct |
15 |
Correct |
2 ms |
12636 KB |
Output is correct |
16 |
Correct |
3 ms |
9564 KB |
Output is correct |
17 |
Correct |
1 ms |
604 KB |
Output is correct |
18 |
Correct |
9 ms |
19548 KB |
Output is correct |
19 |
Correct |
6 ms |
19292 KB |
Output is correct |
20 |
Correct |
6 ms |
17500 KB |
Output is correct |
21 |
Correct |
6 ms |
19548 KB |
Output is correct |
22 |
Correct |
6 ms |
19240 KB |
Output is correct |
23 |
Correct |
6 ms |
17420 KB |
Output is correct |
24 |
Correct |
7 ms |
19548 KB |
Output is correct |
25 |
Correct |
6 ms |
19292 KB |
Output is correct |
26 |
Correct |
6 ms |
17500 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
604 KB |
Output is correct |
5 |
Correct |
1 ms |
3164 KB |
Output is correct |
6 |
Correct |
1 ms |
3368 KB |
Output is correct |
7 |
Correct |
1 ms |
3160 KB |
Output is correct |
8 |
Correct |
1 ms |
3164 KB |
Output is correct |
9 |
Correct |
1 ms |
3164 KB |
Output is correct |
10 |
Correct |
1 ms |
3164 KB |
Output is correct |
11 |
Correct |
1 ms |
3164 KB |
Output is correct |
12 |
Correct |
1 ms |
3164 KB |
Output is correct |
13 |
Correct |
1 ms |
3164 KB |
Output is correct |
14 |
Correct |
5 ms |
18780 KB |
Output is correct |
15 |
Correct |
2 ms |
12636 KB |
Output is correct |
16 |
Correct |
3 ms |
9564 KB |
Output is correct |
17 |
Correct |
1 ms |
604 KB |
Output is correct |
18 |
Correct |
9 ms |
19548 KB |
Output is correct |
19 |
Correct |
6 ms |
19292 KB |
Output is correct |
20 |
Correct |
6 ms |
17500 KB |
Output is correct |
21 |
Correct |
6 ms |
19548 KB |
Output is correct |
22 |
Correct |
6 ms |
19240 KB |
Output is correct |
23 |
Correct |
6 ms |
17420 KB |
Output is correct |
24 |
Correct |
7 ms |
19548 KB |
Output is correct |
25 |
Correct |
6 ms |
19292 KB |
Output is correct |
26 |
Correct |
6 ms |
17500 KB |
Output is correct |
27 |
Correct |
137 ms |
161128 KB |
Output is correct |
28 |
Correct |
8 ms |
63580 KB |
Output is correct |
29 |
Correct |
10 ms |
15824 KB |
Output is correct |
30 |
Correct |
1 ms |
2908 KB |
Output is correct |
31 |
Correct |
109 ms |
133688 KB |
Output is correct |
32 |
Correct |
136 ms |
161404 KB |
Output is correct |
33 |
Correct |
124 ms |
161108 KB |
Output is correct |
34 |
Correct |
119 ms |
157584 KB |
Output is correct |
35 |
Correct |
135 ms |
161604 KB |
Output is correct |
36 |
Correct |
125 ms |
161104 KB |
Output is correct |
37 |
Correct |
149 ms |
161624 KB |
Output is correct |
38 |
Correct |
92 ms |
133468 KB |
Output is correct |
39 |
Correct |
93 ms |
133204 KB |
Output is correct |