oj.uz

Submission #308245

# Submission time Handle Problem Language Result Execution time Memory
308245 2020-09-30T13:13:29 Z Bill_00 Bitaro the Brave (JOI19_ho_t1) C++14
50 / 100
 1000 ms 179908 KB 
#include <bits/stdc++.h>
#define pp push
#define mp make_pair
#define ff first
#define ss second
#define pb push_back
typedef long long ll;
using namespace std;
char a[3005][3005];
ll dpi[3005][3005];
ll dpo[3005][3005];
vector<pair<int,int> >J;
int main(){
	int h,w;
	cin >> h >> w;
	for(int i=1;i<=h;i++){
		for(int j=1;j<=w;j++){
			cin >> a[i][j];
			if(a[i][j]=='J'){
				J.pb(mp(i,j));
			}
		}
	}
	for(int i=1;i<=w;i++){
		for(int j=h;j>=1;j--){
			if(a[j][i]=='I'){
				dpi[j][i]=dpi[j+1][i]+1;
			}
			else dpi[j][i]=dpi[j+1][i];
		}
	}
	for(int i=1;i<=h;i++){
		for(int j=w;j>=1;j--){
			if(a[i][j]=='O'){
				dpo[i][j]=dpo[i][j+1]+1;
			}
			else dpo[i][j]=dpo[i][j+1];
		}
	}
	ll ans=0;
	for(int i=0;i<J.size();i++){
		int x=J[i].ff;
		int y=J[i].ss;
		ans+=(dpo[x][y]*dpi[x][y]);
	}
	cout << ans;
}

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:41:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |  for(int i=0;i<J.size();i++){
      |              ~^~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 2 ms 1664 KB Output is correct
6 Correct 2 ms 1536 KB Output is correct
7 Correct 2 ms 1536 KB Output is correct
8 Correct 2 ms 1664 KB Output is correct
9 Correct 2 ms 1664 KB Output is correct
10 Correct 2 ms 1536 KB Output is correct
11 Correct 2 ms 1664 KB Output is correct
12 Correct 2 ms 1536 KB Output is correct
13 Correct 2 ms 1536 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 2 ms 1664 KB Output is correct
6 Correct 2 ms 1536 KB Output is correct
7 Correct 2 ms 1536 KB Output is correct
8 Correct 2 ms 1664 KB Output is correct
9 Correct 2 ms 1664 KB Output is correct
10 Correct 2 ms 1536 KB Output is correct
11 Correct 2 ms 1664 KB Output is correct
12 Correct 2 ms 1536 KB Output is correct
13 Correct 2 ms 1536 KB Output is correct
14 Correct 25 ms 9712 KB Output is correct
15 Correct 4 ms 5120 KB Output is correct
16 Correct 16 ms 5880 KB Output is correct
17 Correct 1 ms 512 KB Output is correct
18 Correct 31 ms 10732 KB Output is correct
19 Correct 28 ms 10100 KB Output is correct
20 Correct 29 ms 10612 KB Output is correct
21 Correct 32 ms 10732 KB Output is correct
22 Correct 30 ms 10748 KB Output is correct
23 Correct 29 ms 10604 KB Output is correct
24 Correct 32 ms 10868 KB Output is correct
25 Correct 28 ms 10100 KB Output is correct
26 Correct 29 ms 10612 KB Output is correct

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 2 ms 1664 KB Output is correct
6 Correct 2 ms 1536 KB Output is correct
7 Correct 2 ms 1536 KB Output is correct
8 Correct 2 ms 1664 KB Output is correct
9 Correct 2 ms 1664 KB Output is correct
10 Correct 2 ms 1536 KB Output is correct
11 Correct 2 ms 1664 KB Output is correct
12 Correct 2 ms 1536 KB Output is correct
13 Correct 2 ms 1536 KB Output is correct
14 Correct 25 ms 9712 KB Output is correct
15 Correct 4 ms 5120 KB Output is correct
16 Correct 16 ms 5880 KB Output is correct
17 Correct 1 ms 512 KB Output is correct
18 Correct 31 ms 10732 KB Output is correct
19 Correct 28 ms 10100 KB Output is correct
20 Correct 29 ms 10612 KB Output is correct
21 Correct 32 ms 10732 KB Output is correct
22 Correct 30 ms 10748 KB Output is correct
23 Correct 29 ms 10604 KB Output is correct
24 Correct 32 ms 10868 KB Output is correct
25 Correct 28 ms 10100 KB Output is correct
26 Correct 29 ms 10612 KB Output is correct
27 Execution timed out 1085 ms 179908 KB Time limit exceeded
28 Halted 0 ms 0 KB -