oj.uz

Submission #381623

# Submission time Handle Problem Language Result Execution time Memory
381623 2021-03-25T11:21:51 Z Iwanttobreakfree Bitaro the Brave (JOI19_ho_t1) C++17
0 / 100
 1 ms 384 KB 
#include <iostream>
#include <vector>
using namespace std;
int main(){
	int h,w;
	cin>>h>>w;
	char grid[h][w];
	vector<pair<int,int> > v;
	vector<int> ie(w,0);
	vector<int> o(h,0);
	for(int i=0;i<h;i++){
		for(int j=0;j<w;j++){
			cin>>grid[i][j];
			if(grid[i][j]=='J')v.push_back(make_pair(i,j));
			if(grid[i][j]=='I')ie[j]++;
			if(grid[i][j]=='O')o[i]++;
		}
	}
	int n=v.size();
	int sol=0;
	for(int j=0;j<n;j++){
		int x=v[j].first;
		int y=v[j].second;
		sol+=ie[x]*o[y];
	}
	cout<<sol<<'\n';
}

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Incorrect 1 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Incorrect 1 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Incorrect 1 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -