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Submission #217142

# Submission time Handle Problem Language Result Execution time Memory
217142 2020-03-29T06:30:16 Z kshitij_sodani Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 628 ms 220536 KB 
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
typedef long long int llo;
#define mp make_pair
#define pb push_back
#define a first
#define b second
#define endl "\n"
llo mod=1000000007;

int main(){
	ios_base::sync_with_stdio(0); cin.tie(0);
	//setIO("");
	llo n,m;
	cin>>n>>m;
	char ss;
	llo it[n][m];
	for(llo i=0;i<n;i++){
		for(llo j=0;j<m;j++){
			cin>>ss;
			if(ss=='J'){
				it[i][j]=0;
			}
			else if(ss=='O'){
				it[i][j]=1;
			}
			else{
				it[i][j]=2;
			}
		}
	}
	llo pre[n][m];
	for(llo i=0;i<n;i++){
		for(llo j=m-1;j>=0;j--){
			llo cc=0;
			if(it[i][j]==1){
				cc=1;
			}
			pre[i][j]=cc;
			if(j<m-1){
				pre[i][j]+=pre[i][j+1];
			}
		}
	}
	llo pre2[n][m];
	for(llo j=0;j<m;j++){
		for(llo i=n-1;i>=0;i--){
			llo cc=0;
			if(it[i][j]==2){
				cc=1;
			}
			pre2[i][j]=cc;
			if(i<n-1){
				pre2[i][j]+=pre2[i+1][j];
			}
		}
	}
	llo tot=0;
	for(llo i=0;i<n;i++){
		for(llo j=0;j<m;j++){
			if(it[i][j]==0){
				tot+=pre[i][j]*pre2[i][j];
			}
		}
	}
	cout<<tot<<endl;


	













	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 640 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 640 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 512 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 640 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 640 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 512 KB Output is correct
14 Correct 14 ms 4992 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 9 ms 3456 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 18 ms 6392 KB Output is correct
19 Correct 17 ms 6144 KB Output is correct
20 Correct 14 ms 6400 KB Output is correct
21 Correct 20 ms 6528 KB Output is correct
22 Correct 16 ms 6144 KB Output is correct
23 Correct 15 ms 6272 KB Output is correct
24 Correct 16 ms 6400 KB Output is correct
25 Correct 13 ms 6144 KB Output is correct
26 Correct 14 ms 6272 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 640 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 640 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 512 KB Output is correct
14 Correct 14 ms 4992 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 9 ms 3456 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 18 ms 6392 KB Output is correct
19 Correct 17 ms 6144 KB Output is correct
20 Correct 14 ms 6400 KB Output is correct
21 Correct 20 ms 6528 KB Output is correct
22 Correct 16 ms 6144 KB Output is correct
23 Correct 15 ms 6272 KB Output is correct
24 Correct 16 ms 6400 KB Output is correct
25 Correct 13 ms 6144 KB Output is correct
26 Correct 14 ms 6272 KB Output is correct
27 Correct 602 ms 208248 KB Output is correct
28 Correct 5 ms 896 KB Output is correct
29 Correct 28 ms 16256 KB Output is correct
30 Correct 6 ms 896 KB Output is correct
31 Correct 439 ms 153208 KB Output is correct
32 Correct 526 ms 219128 KB Output is correct
33 Correct 483 ms 219804 KB Output is correct
34 Correct 495 ms 177656 KB Output is correct
35 Correct 546 ms 219000 KB Output is correct
36 Correct 504 ms 219768 KB Output is correct
37 Correct 628 ms 220536 KB Output is correct
38 Correct 348 ms 151928 KB Output is correct
39 Correct 340 ms 152788 KB Output is correct