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Submission #109524

# Submission time Handle Problem Language Result Execution time Memory
109524 2019-05-06T19:46:05 Z Arturgo Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 347 ms 80908 KB 
#include <iostream>
using namespace std;

int nbO[3001][3001];
int nbI[3001][3001];
string terrain[3000];

int main() {
  ios_base::sync_with_stdio(false);
  int nbLigs, nbCols;
  cin >> nbLigs >> nbCols;

  for(int iLig = 0;iLig < nbLigs;iLig++) {
    cin >> terrain[iLig];
  }

  for(int iLig = 0;iLig < nbLigs;iLig++) {
    for(int iCol = nbCols - 1;iCol >= 0;iCol--) {
      nbO[iLig][iCol] = nbO[iLig][iCol + 1] + (terrain[iLig][iCol] == 'O');
    }
  }

  for(int iCol = 0;iCol < nbCols;iCol++) {
    for(int iLig = nbLigs - 1;iLig >= 0;iLig--) {
      nbI[iLig][iCol] = nbI[iLig + 1][iCol] + (terrain[iLig][iCol] == 'I');
    }
  }

  long long total = 0;

  for(int iLig = 0;iLig < nbLigs;iLig++) {
    for(int iCol = 0;iCol < nbCols;iCol++) {
      if(terrain[iLig][iCol] == 'J') {
	total += nbO[iLig][iCol] * (long long) nbI[iLig][iCol];
      }
    }
  }
  
  cout << total << endl;
  return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 1280 KB Output is correct
6 Correct 4 ms 1280 KB Output is correct
7 Correct 3 ms 1280 KB Output is correct
8 Correct 3 ms 1280 KB Output is correct
9 Correct 3 ms 1280 KB Output is correct
10 Correct 3 ms 1280 KB Output is correct
11 Correct 3 ms 1408 KB Output is correct
12 Correct 3 ms 1280 KB Output is correct
13 Correct 3 ms 1280 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 1280 KB Output is correct
6 Correct 4 ms 1280 KB Output is correct
7 Correct 3 ms 1280 KB Output is correct
8 Correct 3 ms 1280 KB Output is correct
9 Correct 3 ms 1280 KB Output is correct
10 Correct 3 ms 1280 KB Output is correct
11 Correct 3 ms 1408 KB Output is correct
12 Correct 3 ms 1280 KB Output is correct
13 Correct 3 ms 1280 KB Output is correct
14 Correct 10 ms 6272 KB Output is correct
15 Correct 5 ms 3840 KB Output is correct
16 Correct 7 ms 3840 KB Output is correct
17 Correct 3 ms 640 KB Output is correct
18 Correct 12 ms 6912 KB Output is correct
19 Correct 10 ms 6784 KB Output is correct
20 Correct 19 ms 6804 KB Output is correct
21 Correct 10 ms 6912 KB Output is correct
22 Correct 11 ms 6784 KB Output is correct
23 Correct 12 ms 6804 KB Output is correct
24 Correct 14 ms 6912 KB Output is correct
25 Correct 10 ms 6784 KB Output is correct
26 Correct 11 ms 6784 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 3 ms 512 KB Output is correct
3 Correct 3 ms 512 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 1280 KB Output is correct
6 Correct 4 ms 1280 KB Output is correct
7 Correct 3 ms 1280 KB Output is correct
8 Correct 3 ms 1280 KB Output is correct
9 Correct 3 ms 1280 KB Output is correct
10 Correct 3 ms 1280 KB Output is correct
11 Correct 3 ms 1408 KB Output is correct
12 Correct 3 ms 1280 KB Output is correct
13 Correct 3 ms 1280 KB Output is correct
14 Correct 10 ms 6272 KB Output is correct
15 Correct 5 ms 3840 KB Output is correct
16 Correct 7 ms 3840 KB Output is correct
17 Correct 3 ms 640 KB Output is correct
18 Correct 12 ms 6912 KB Output is correct
19 Correct 10 ms 6784 KB Output is correct
20 Correct 19 ms 6804 KB Output is correct
21 Correct 10 ms 6912 KB Output is correct
22 Correct 11 ms 6784 KB Output is correct
23 Correct 12 ms 6804 KB Output is correct
24 Correct 14 ms 6912 KB Output is correct
25 Correct 10 ms 6784 KB Output is correct
26 Correct 11 ms 6784 KB Output is correct
27 Correct 334 ms 80224 KB Output is correct
28 Correct 20 ms 19328 KB Output is correct
29 Correct 14 ms 7424 KB Output is correct
30 Correct 6 ms 640 KB Output is correct
31 Correct 235 ms 66168 KB Output is correct
32 Correct 311 ms 80720 KB Output is correct
33 Correct 309 ms 80632 KB Output is correct
34 Correct 261 ms 76432 KB Output is correct
35 Correct 301 ms 80796 KB Output is correct
36 Correct 347 ms 80796 KB Output is correct
37 Correct 343 ms 80908 KB Output is correct
38 Correct 233 ms 66040 KB Output is correct
39 Correct 211 ms 65784 KB Output is correct