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Submission #574619

# Submission time Handle Problem Language Result Execution time Memory
574619 2022-06-08T23:57:50 Z teki Bitaro the Brave (JOI19_ho_t1) C++11
100 / 100
 213 ms 158804 KB 
#include <bits/stdc++.h>

typedef long long ll;

#define pb push_back
#define MS(x,y) memset((x),(y),sizeof((x)))
#define MN 1000000007

using namespace std;

char mat[3001][3001];
ll oDesno[3001][3001];
ll iDole[3001][3001];

ll getO (ll i, ll j) {
    if (j != 0) return oDesno[i][j-1];
    else return 0;
}

ll getI (ll i, ll j) {
    if (i != 0) return iDole[i-1][j];
    else return 0;
}

int main()
{
    #if LOCAL_DEBUG
        fstream cin("in.txt");
    #endif

    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    ll n,m;
    cin>>n>>m;

    for (ll i = 0; i<n; i++) {
        for (ll j = 0; j<m; j++) {
            cin>>mat[i][j];

            oDesno[i][j] = (mat[i][j] == 'O') + getO(i,j);
            iDole[i][j] = (mat[i][j] == 'I') + getI(i,j);
        }
    }

    ll res = 0;

    for (ll i = 0; i<n; i++) {
        for (ll j = 0; j<m; j++) {
            if (mat[i][j] != 'J') continue;

            res += (oDesno[i][m-1]-oDesno[i][j]) * (iDole[n-1][j]-iDole[i][j]);
        }
    }

    cout<<res<<endl;

    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1364 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1364 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1364 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1364 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct
14 Correct 7 ms 8964 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 4 ms 5332 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 9 ms 9940 KB Output is correct
19 Correct 9 ms 9812 KB Output is correct
20 Correct 8 ms 9684 KB Output is correct
21 Correct 9 ms 9992 KB Output is correct
22 Correct 10 ms 9812 KB Output is correct
23 Correct 8 ms 9684 KB Output is correct
24 Correct 9 ms 9980 KB Output is correct
25 Correct 7 ms 9800 KB Output is correct
26 Correct 7 ms 9708 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1364 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1364 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct
14 Correct 7 ms 8964 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 4 ms 5332 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 9 ms 9940 KB Output is correct
19 Correct 9 ms 9812 KB Output is correct
20 Correct 8 ms 9684 KB Output is correct
21 Correct 9 ms 9992 KB Output is correct
22 Correct 10 ms 9812 KB Output is correct
23 Correct 8 ms 9684 KB Output is correct
24 Correct 9 ms 9980 KB Output is correct
25 Correct 7 ms 9800 KB Output is correct
26 Correct 7 ms 9708 KB Output is correct
27 Correct 194 ms 158380 KB Output is correct
28 Correct 14 ms 26204 KB Output is correct
29 Correct 15 ms 13784 KB Output is correct
30 Correct 1 ms 716 KB Output is correct
31 Correct 150 ms 131188 KB Output is correct
32 Correct 179 ms 158740 KB Output is correct
33 Correct 183 ms 158352 KB Output is correct
34 Correct 172 ms 152152 KB Output is correct
35 Correct 183 ms 158804 KB Output is correct
36 Correct 181 ms 158268 KB Output is correct
37 Correct 213 ms 158796 KB Output is correct
38 Correct 142 ms 130752 KB Output is correct
39 Correct 147 ms 130632 KB Output is correct