oj.uz

Submission #139594

# Submission time Handle Problem Language Result Execution time Memory
139594 2019-08-01T06:58:02 Z math0_0 Bitaro the Brave (JOI19_ho_t1) C++11
100 / 100
 750 ms 115372 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pi;

int main(){
	int h, w;
	cin >> h >> w;
	
	string arr[h];
	for(int one = 0; one < h; one++){
		cin >> arr[one];
	}
	
	int sufO[h][w] = {0}, sufI[h][w] = {0};
	vector<pi> jpos;
	
	for(int one = h-1; one >= 0; --one){
		for(int two = w-1; two >= 0; --two){
			sufO[one][two] = 0; sufI[one][two] = 0;
			
			if(arr[one][two] == 'J'){
				jpos.push_back(make_pair(one, two));
				if(two != w-1){sufO[one][two] = sufO[one][two+1];}
				if(one != h-1){sufI[one][two] = sufI[one+1][two];}
			}
			else if(arr[one][two] == 'O'){
				if(two == w-1){sufO[one][two] = 1;}
				else{sufO[one][two] = sufO[one][two+1] + 1;}
				if(one != h-1){sufI[one][two] = sufI[one+1][two];}
			}else{
				if(one == h-1){sufI[one][two] = 1;}
				else{sufI[one][two] = sufI[one+1][two] + 1;}
				if(two != w-1){sufO[one][two] = sufO[one][two+1];}
			}
		}
	}
	
	
	ll ans = 0;
	
	for(int one = 0; one < jpos.size(); one++){
		ll x = jpos[one].first;
		ll y = jpos[one].second;
		
		ll pwr = sufO[x][y+1]*sufI[x+1][y];
		if(x==h-1 || y==w-1){pwr = 0;}
		ans+=pwr;
	}
	
	cout << ans;
}

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:44:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int one = 0; one < jpos.size(); one++){
                   ~~~~^~~~~~~~~~~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 508 KB Output is correct
9 Correct 3 ms 404 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 504 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 508 KB Output is correct
9 Correct 3 ms 404 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 18 ms 2808 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 12 ms 2424 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 23 ms 4084 KB Output is correct
19 Correct 19 ms 2936 KB Output is correct
20 Correct 21 ms 3956 KB Output is correct
21 Correct 23 ms 4084 KB Output is correct
22 Correct 21 ms 3796 KB Output is correct
23 Correct 23 ms 4084 KB Output is correct
24 Correct 23 ms 4088 KB Output is correct
25 Correct 19 ms 2936 KB Output is correct
26 Correct 21 ms 3956 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 508 KB Output is correct
9 Correct 3 ms 404 KB Output is correct
10 Correct 3 ms 504 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 18 ms 2808 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 12 ms 2424 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 23 ms 4084 KB Output is correct
19 Correct 19 ms 2936 KB Output is correct
20 Correct 21 ms 3956 KB Output is correct
21 Correct 23 ms 4084 KB Output is correct
22 Correct 21 ms 3796 KB Output is correct
23 Correct 23 ms 4084 KB Output is correct
24 Correct 23 ms 4088 KB Output is correct
25 Correct 19 ms 2936 KB Output is correct
26 Correct 21 ms 3956 KB Output is correct
27 Correct 697 ms 111224 KB Output is correct
28 Correct 5 ms 760 KB Output is correct
29 Correct 55 ms 8552 KB Output is correct
30 Correct 4 ms 676 KB Output is correct
31 Correct 509 ms 75248 KB Output is correct
32 Correct 632 ms 90180 KB Output is correct
33 Correct 682 ms 114844 KB Output is correct
34 Correct 601 ms 101172 KB Output is correct
35 Correct 701 ms 114752 KB Output is correct
36 Correct 719 ms 114976 KB Output is correct
37 Correct 750 ms 115372 KB Output is correct
38 Correct 444 ms 66752 KB Output is correct
39 Correct 474 ms 75088 KB Output is correct