oj.uz

Submission #157701

# Submission time Handle Problem Language Result Execution time Memory
157701 2019-10-12T18:10:12 Z InfiniteJest Bitaro the Brave (JOI19_ho_t1) C++14
50 / 100
 1000 ms 111468 KB 
#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#include <algorithm>
#include <math.h>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;

ifstream in("input.txt");
ofstream out("output.txt");

typedef long long ll;

int h,w;
char tab[5000][5000];
int pref[5000][5000];
int prefb[5000][5000];
int sump[5000];
int fb[5000];
int f[5000];
vector<pair<int,int> > v;

int main(){
  cin>>h>>w;
  int sumf;
  ll tot=0;
  for(int i=0;i<h;i++){
    int sum=0;
    for(int y=0;y<w;y++){
      cin>>tab[i][y];
      if(i!=0&&tab[i-1][y]=='J')fb[y]+=sumf-prefb[i-1][y];
      if(tab[i][y]=='O')sum++;
      else if(tab[i][y]=='I'){
        sump[y]++;
        f[y]++;
      }
      else{
        tot+=f[y]*fb[y];
        f[y]=0;
      }
      prefb[i][y]=sum;
      pref[i][y]=sump[y];
    }
    sumf=sum;
  }
  //cout<<pref[0][3];
  for(int i=0;i<w;i++)if(tab[h-1][i]!='J'){
    //cout<<"i "<<i<<" f "<<f[i]<<" fb "<<fb[i]<<endl;
    tot+=f[i]*fb[i];
  }
  //cout<<fb[0];
  cout<<tot;

}

Compilation message

joi2019_ho_t1.cpp: In function 'int main()':
joi2019_ho_t1.cpp:35:44: warning: 'sumf' may be used uninitialized in this function [-Wmaybe-uninitialized]
       if(i!=0&&tab[i-1][y]=='J')fb[y]+=sumf-prefb[i-1][y];
                                        ~~~~^~~~~~~~~~~~~~

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 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 4 ms 1628 KB Output is correct
6 Correct 4 ms 1656 KB Output is correct
7 Correct 4 ms 1528 KB Output is correct
8 Correct 4 ms 1656 KB Output is correct
9 Correct 4 ms 1660 KB Output is correct
10 Correct 4 ms 1528 KB Output is correct
11 Correct 4 ms 1656 KB Output is correct
12 Correct 4 ms 1656 KB Output is correct
13 Correct 4 ms 1528 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 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 4 ms 1628 KB Output is correct
6 Correct 4 ms 1656 KB Output is correct
7 Correct 4 ms 1528 KB Output is correct
8 Correct 4 ms 1656 KB Output is correct
9 Correct 4 ms 1660 KB Output is correct
10 Correct 4 ms 1528 KB Output is correct
11 Correct 4 ms 1656 KB Output is correct
12 Correct 4 ms 1656 KB Output is correct
13 Correct 4 ms 1528 KB Output is correct
14 Correct 30 ms 8312 KB Output is correct
15 Correct 7 ms 5472 KB Output is correct
16 Correct 19 ms 4692 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 36 ms 8824 KB Output is correct
19 Correct 34 ms 8696 KB Output is correct
20 Correct 33 ms 8572 KB Output is correct
21 Correct 37 ms 8952 KB Output is correct
22 Correct 33 ms 8696 KB Output is correct
23 Correct 38 ms 8696 KB Output is correct
24 Correct 37 ms 8824 KB Output is correct
25 Correct 33 ms 8696 KB Output is correct
26 Correct 34 ms 8696 KB Output is correct

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 4 ms 1628 KB Output is correct
6 Correct 4 ms 1656 KB Output is correct
7 Correct 4 ms 1528 KB Output is correct
8 Correct 4 ms 1656 KB Output is correct
9 Correct 4 ms 1660 KB Output is correct
10 Correct 4 ms 1528 KB Output is correct
11 Correct 4 ms 1656 KB Output is correct
12 Correct 4 ms 1656 KB Output is correct
13 Correct 4 ms 1528 KB Output is correct
14 Correct 30 ms 8312 KB Output is correct
15 Correct 7 ms 5472 KB Output is correct
16 Correct 19 ms 4692 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 36 ms 8824 KB Output is correct
19 Correct 34 ms 8696 KB Output is correct
20 Correct 33 ms 8572 KB Output is correct
21 Correct 37 ms 8952 KB Output is correct
22 Correct 33 ms 8696 KB Output is correct
23 Correct 38 ms 8696 KB Output is correct
24 Correct 37 ms 8824 KB Output is correct
25 Correct 33 ms 8696 KB Output is correct
26 Correct 34 ms 8696 KB Output is correct
27 Execution timed out 1040 ms 111468 KB Time limit exceeded
28 Halted 0 ms 0 KB -