// -*- compile-command: "g++ -g -Wno-return-type -Wall -Wextra -DLOCAL -std=c++17 -D_GLIBCXX_DEBUG ho_t1.cpp -oho_t1 && ./ho_t1 " -*-
#include <bits/stdc++.h>
using namespace std;
using LL=long long;
#define int LL
#define vc vector
#define pb push_back
#define pr pair
#define fi first
#define se second
#define sz(v) ((int)(v).size())
#define all(v) (v).begin(),(v).end()
#define f(i,n) for(int i=0;i<(n);i++)
#define fr(i,n) for(int i=(n);i--;)
#define fv(i,v) f(i,sz(v))
main(){
ios::sync_with_stdio(0),cin.tie(0);
int h,w;
cin>>h>>w;
vc<string> s(h);
f(i,h) cin>>s[i];
vc<vc<int>> ning(h,vc<int>(w));
vc<vc<int>> norb(h,vc<int>(w));
fr(i,h) fr(j,w){
ning[i][j]+=(s[i][j]=='I')+(i+1<h?ning[i+1][j]:0);
norb[i][j]+=(s[i][j]=='O')+(j+1<w?norb[i][j+1]:0);
}
int r=0;
f(i,h) f(j,w){
if(s[i][j]=='J') r+=ning[i][j]*norb[i][j];
}
cout<<r<<'\n';
}
Compilation message
joi2019_ho_t1.cpp:17:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
17 | main(){
| ^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
460 KB |
Output is correct |
| 6 |
Correct |
1 ms |
460 KB |
Output is correct |
| 7 |
Correct |
1 ms |
460 KB |
Output is correct |
| 8 |
Correct |
1 ms |
452 KB |
Output is correct |
| 9 |
Correct |
1 ms |
460 KB |
Output is correct |
| 10 |
Correct |
1 ms |
460 KB |
Output is correct |
| 11 |
Correct |
1 ms |
460 KB |
Output is correct |
| 12 |
Correct |
1 ms |
460 KB |
Output is correct |
| 13 |
Correct |
1 ms |
460 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
460 KB |
Output is correct |
| 6 |
Correct |
1 ms |
460 KB |
Output is correct |
| 7 |
Correct |
1 ms |
460 KB |
Output is correct |
| 8 |
Correct |
1 ms |
452 KB |
Output is correct |
| 9 |
Correct |
1 ms |
460 KB |
Output is correct |
| 10 |
Correct |
1 ms |
460 KB |
Output is correct |
| 11 |
Correct |
1 ms |
460 KB |
Output is correct |
| 12 |
Correct |
1 ms |
460 KB |
Output is correct |
| 13 |
Correct |
1 ms |
460 KB |
Output is correct |
| 14 |
Correct |
4 ms |
3652 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
3 ms |
2508 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
5 ms |
4556 KB |
Output is correct |
| 19 |
Correct |
5 ms |
4408 KB |
Output is correct |
| 20 |
Correct |
4 ms |
4556 KB |
Output is correct |
| 21 |
Correct |
6 ms |
4556 KB |
Output is correct |
| 22 |
Correct |
4 ms |
4428 KB |
Output is correct |
| 23 |
Correct |
4 ms |
4556 KB |
Output is correct |
| 24 |
Correct |
5 ms |
4556 KB |
Output is correct |
| 25 |
Correct |
4 ms |
4420 KB |
Output is correct |
| 26 |
Correct |
4 ms |
4556 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
460 KB |
Output is correct |
| 6 |
Correct |
1 ms |
460 KB |
Output is correct |
| 7 |
Correct |
1 ms |
460 KB |
Output is correct |
| 8 |
Correct |
1 ms |
452 KB |
Output is correct |
| 9 |
Correct |
1 ms |
460 KB |
Output is correct |
| 10 |
Correct |
1 ms |
460 KB |
Output is correct |
| 11 |
Correct |
1 ms |
460 KB |
Output is correct |
| 12 |
Correct |
1 ms |
460 KB |
Output is correct |
| 13 |
Correct |
1 ms |
460 KB |
Output is correct |
| 14 |
Correct |
4 ms |
3652 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
3 ms |
2508 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
5 ms |
4556 KB |
Output is correct |
| 19 |
Correct |
5 ms |
4408 KB |
Output is correct |
| 20 |
Correct |
4 ms |
4556 KB |
Output is correct |
| 21 |
Correct |
6 ms |
4556 KB |
Output is correct |
| 22 |
Correct |
4 ms |
4428 KB |
Output is correct |
| 23 |
Correct |
4 ms |
4556 KB |
Output is correct |
| 24 |
Correct |
5 ms |
4556 KB |
Output is correct |
| 25 |
Correct |
4 ms |
4420 KB |
Output is correct |
| 26 |
Correct |
4 ms |
4556 KB |
Output is correct |
| 27 |
Correct |
143 ms |
142856 KB |
Output is correct |
| 28 |
Correct |
2 ms |
844 KB |
Output is correct |
| 29 |
Correct |
9 ms |
11324 KB |
Output is correct |
| 30 |
Correct |
1 ms |
716 KB |
Output is correct |
| 31 |
Correct |
106 ms |
105104 KB |
Output is correct |
| 32 |
Correct |
120 ms |
150360 KB |
Output is correct |
| 33 |
Correct |
116 ms |
150832 KB |
Output is correct |
| 34 |
Correct |
119 ms |
121972 KB |
Output is correct |
| 35 |
Correct |
126 ms |
150356 KB |
Output is correct |
| 36 |
Correct |
120 ms |
150892 KB |
Output is correct |
| 37 |
Correct |
157 ms |
151328 KB |
Output is correct |
| 38 |
Correct |
85 ms |
104268 KB |
Output is correct |
| 39 |
Correct |
82 ms |
104716 KB |
Output is correct |
