#include <bits/stdc++.h>
using namespace std;
#define FOR(i, j, k) for(int i=(j); i<=(k); i++)
#define FFOR(i, j, k) for(int i=(j); i<(k); i++)
#define DFOR(i, j, k) for(int i=(j); i>=(k); i--)
#define bug(x) cerr<<#x<<" = "<<(x)<<'\n'
#define pb push_back
#define mp make_pair
#define bit(s, i) (((s)>>(i))&1LL)
#define mask(i) ((1LL<<(i)))
#define builtin_popcount __builtin_popcountll
#define __builtin_popcount __builtin_popcountll
using ll=long long; using ld=long double;
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count()); const ld pi=acos(0)*2;
template <typename T> inline void read(T &x){char c; bool nega=0; while((!isdigit(c=getchar()))&&(c!='-')); if(c=='-'){nega=1; c=getchar();} x=c-48; while(isdigit(c=getchar())) x=x*10+c-48; if(nega) x=-x;}
template <typename T> inline void writep(T x){if(x>9) writep(x/10); putchar(x%10+48);}
template <typename T> inline void write(T x){if(x<0){ putchar('-'); x=-x;} writep(x);}
template <typename T> inline void writeln(T x){write(x); putchar('\n');}
#define taskname "Bitaro"
int h, w;
string s[3000];
int cnt[3000];
int main(){
#ifdef Aria
if(fopen(taskname".in", "r"))
freopen(taskname".in", "r", stdin);
#endif // Aria
cin>>h>>w;
FFOR(i, 0, h) cin>>s[i];
ll ans=0;
DFOR(i, h-1, 0){
FFOR(j, 0, w) if(s[i][j]=='I') cnt[j]++;
int x=0;
DFOR(j, w-1, 0) if(s[i][j]=='J'){
// bug(cnt[j]);
// bug(x);
ans+=cnt[j]*x;
}
else x+=s[i][j]=='O';
}
writeln(ans);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
356 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Correct |
3 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
512 KB |
Output is correct |
8 |
Correct |
3 ms |
512 KB |
Output is correct |
9 |
Correct |
3 ms |
512 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
484 KB |
Output is correct |
12 |
Correct |
3 ms |
512 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
356 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Correct |
3 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
512 KB |
Output is correct |
8 |
Correct |
3 ms |
512 KB |
Output is correct |
9 |
Correct |
3 ms |
512 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
484 KB |
Output is correct |
12 |
Correct |
3 ms |
512 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
9 ms |
768 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
7 ms |
768 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
12 ms |
1152 KB |
Output is correct |
19 |
Correct |
10 ms |
896 KB |
Output is correct |
20 |
Correct |
10 ms |
1152 KB |
Output is correct |
21 |
Correct |
12 ms |
1152 KB |
Output is correct |
22 |
Correct |
10 ms |
896 KB |
Output is correct |
23 |
Correct |
9 ms |
1152 KB |
Output is correct |
24 |
Correct |
11 ms |
1152 KB |
Output is correct |
25 |
Correct |
9 ms |
896 KB |
Output is correct |
26 |
Correct |
10 ms |
1152 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
356 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Correct |
3 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
512 KB |
Output is correct |
8 |
Correct |
3 ms |
512 KB |
Output is correct |
9 |
Correct |
3 ms |
512 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
484 KB |
Output is correct |
12 |
Correct |
3 ms |
512 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
9 ms |
768 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
7 ms |
768 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
12 ms |
1152 KB |
Output is correct |
19 |
Correct |
10 ms |
896 KB |
Output is correct |
20 |
Correct |
10 ms |
1152 KB |
Output is correct |
21 |
Correct |
12 ms |
1152 KB |
Output is correct |
22 |
Correct |
10 ms |
896 KB |
Output is correct |
23 |
Correct |
9 ms |
1152 KB |
Output is correct |
24 |
Correct |
11 ms |
1152 KB |
Output is correct |
25 |
Correct |
9 ms |
896 KB |
Output is correct |
26 |
Correct |
10 ms |
1152 KB |
Output is correct |
27 |
Correct |
327 ms |
20124 KB |
Output is correct |
28 |
Correct |
3 ms |
384 KB |
Output is correct |
29 |
Correct |
22 ms |
2040 KB |
Output is correct |
30 |
Correct |
3 ms |
512 KB |
Output is correct |
31 |
Correct |
235 ms |
16032 KB |
Output is correct |
32 |
Correct |
275 ms |
20548 KB |
Output is correct |
33 |
Correct |
269 ms |
20472 KB |
Output is correct |
34 |
Correct |
266 ms |
18524 KB |
Output is correct |
35 |
Correct |
278 ms |
20448 KB |
Output is correct |
36 |
Correct |
276 ms |
20472 KB |
Output is correct |
37 |
Correct |
327 ms |
20504 KB |
Output is correct |
38 |
Correct |
191 ms |
15864 KB |
Output is correct |
39 |
Correct |
187 ms |
15868 KB |
Output is correct |