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Submission #871626

# Submission time Handle Problem Language Result Execution time Memory
871626 2023-11-11T08:01:07 Z vjudge1 Difference (POI11_roz) C++17
40 / 100
 1000 ms 65536 KB 
#include "bits/stdc++.h"

using namespace std;
const int N = 1e6+5;
int n;
char c[N];
int sum[N][30];
int Get(int l, int r, int c) {
    return sum[r][c] - sum[l-1][c];
}
signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin >> n;
    for (int i = 1 ; i <= n ; i++) {
        cin >> c[i];
        for (int j = 0 ; j < 26 ; j++)
            sum[i][j] = sum[i-1][j] + (c[i]-'a' == j);
    }
    int res = 0;
    for (int i = 1 ; i <= n ; i++)
        for (int j = 1 ; j < i ; j++) {
            int ma = 0, mi = 1e9;
            for (int c = 0 ; c < 26 ; c++)
                if (Get(j, i, c)) {
                    ma = max(ma, Get(j, i, c));
                    mi = min(mi, Get(j, i, c));
                }
            res = max(res, ma-mi);
        }
    cout << res;
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 98 ms 2676 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1097 ms 2652 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1044 ms 12892 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 26 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 32 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 27 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 27 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -