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Submission #968451

# Submission time Handle Problem Language Result Execution time Memory
968451 2024-04-23T12:39:59 Z tset Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 421 ms 161844 KB 
#include<bits/stdc++.h>

using namespace std;

#define int long long

signed main()
{
    int nbLigs, nbCols;
    cin >> nbLigs >> nbCols;
    vector<string> tab(nbLigs);
    for(int iL =0; iL < nbLigs; iL++)
    {
        cin >>tab[iL];
    }
    vector<vector<int>>cumulBotToTop(nbLigs+1, vector<int>(nbCols+1, 0));
    vector<vector<int>>cumulRightToLeft(nbLigs+1, vector<int>(nbCols+1, 0));
    for(int iL = nbLigs-1; iL >=0; iL--)
    {
        for(int iC = nbCols-1; iC >= 0; iC--)
        {
            cumulRightToLeft[iL][iC] = cumulRightToLeft[iL][iC+1];
            if(tab[iL][iC] == 'O')
                cumulRightToLeft[iL][iC]++;
        }
    }
    for(int iC = nbCols-1; iC >= 0; iC--)
    {
        for(int iL = nbLigs-1; iL >=0; iL--)
        {
            cumulBotToTop[iL][iC] = cumulBotToTop[iL+1][iC];
            if(tab[iL][iC] == 'I')
                cumulBotToTop[iL][iC]++;
        }
    }
    int ans = 0;
    for(int iL = 0; iL < nbLigs; iL++)
    {
        for(int iC = 0; iC < nbCols; iC++)
        {
            if(tab[iL][iC] == 'J')
            {
                ans += cumulBotToTop[iL][iC] * cumulRightToLeft[iL][iC];
            }
        }
    }
    printf("%lld\n", ans);
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 440 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 440 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 604 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 440 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 440 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 6 ms 3928 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 4 ms 2652 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 8 ms 4952 KB Output is correct
19 Correct 7 ms 4700 KB Output is correct
20 Correct 7 ms 5000 KB Output is correct
21 Correct 9 ms 4956 KB Output is correct
22 Correct 7 ms 4700 KB Output is correct
23 Correct 7 ms 4952 KB Output is correct
24 Correct 10 ms 5720 KB Output is correct
25 Correct 7 ms 4700 KB Output is correct
26 Correct 7 ms 4956 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 440 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 440 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 6 ms 3928 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 4 ms 2652 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 8 ms 4952 KB Output is correct
19 Correct 7 ms 4700 KB Output is correct
20 Correct 7 ms 5000 KB Output is correct
21 Correct 9 ms 4956 KB Output is correct
22 Correct 7 ms 4700 KB Output is correct
23 Correct 7 ms 4952 KB Output is correct
24 Correct 10 ms 5720 KB Output is correct
25 Correct 7 ms 4700 KB Output is correct
26 Correct 7 ms 4956 KB Output is correct
27 Correct 394 ms 153552 KB Output is correct
28 Correct 1 ms 1368 KB Output is correct
29 Correct 20 ms 12120 KB Output is correct
30 Correct 2 ms 860 KB Output is correct
31 Correct 279 ms 114068 KB Output is correct
32 Correct 376 ms 160596 KB Output is correct
33 Correct 360 ms 161108 KB Output is correct
34 Correct 316 ms 132180 KB Output is correct
35 Correct 394 ms 160848 KB Output is correct
36 Correct 369 ms 161292 KB Output is correct
37 Correct 421 ms 161844 KB Output is correct
38 Correct 264 ms 113316 KB Output is correct
39 Correct 271 ms 113504 KB Output is correct