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Submission #888092

# Submission time Handle Problem Language Result Execution time Memory
888092 2023-12-16T02:57:58 Z votranngocvy Nivelle (COCI20_nivelle) C++14
0 / 110
 24 ms 860 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 1e5 + 5;
const int inf = 0x3f3f3f3f;
int a[N];

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n;
    cin >> n;
    for (int i = 1; i <= n; i++) {
        char x;
        cin >> x;
        a[i] = x - 'a';
    }
    int ans = inf,L,R;
    for (int i = 1; i <= 26; i++) {
        vector<int>cnt(30,0);
        int r = 1,tmp = 0;
        for (int l = 1; l <= n; l++) {
            if (l > 1) {
                cnt[a[l - 1]]--;
                if (cnt[a[l - 1]] == 0) tmp--;
            }
            while (r <= n && tmp < i) {
                cnt[a[r]]++;
                if (cnt[a[r]] == 1) tmp++;
                r++;
            }
            if (tmp == i && (r - l + 1) / i < ans) {
                ans = (r - l + 1) / i;
                L = l,R = r;
            }
        }
    }
    cout << L << " " << R << "\n";
}

Compilation message

nivelle.cpp: In function 'int main()':
nivelle.cpp:38:30: warning: 'R' may be used uninitialized in this function [-Wmaybe-uninitialized]
   38 |     cout << L << " " << R << "\n";
      |                              ^~~~
nivelle.cpp:38:18: warning: 'L' may be used uninitialized in this function [-Wmaybe-uninitialized]
   38 |     cout << L << " " << R << "\n";
      |                  ^~~

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 13 ms 860 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 736 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 48.0

# Verdict Execution time Memory Grader output
1 Incorrect 24 ms 860 KB Output isn't correct
2 Halted 0 ms 0 KB -