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Submission #828257

# Submission time Handle Problem Language Result Execution time Memory
828257 2023-08-17T07:23:46 Z TahirAliyev Nekameleoni (COCI15_nekameleoni) C++17
42 / 140
 187 ms 436 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pii pair<int, ll>

const int MAX = 5005;

int n, m, k; 

int arr[MAX];
int cnt[51];

bool check(int mid){
    memset(cnt, 0, sizeof(cnt));
    int zeros = k;
    for (int i = 1; i <= mid; i++)
    {
        cnt[arr[i]]++;
        if(cnt[arr[i]] == 1){
            zeros --;
        }
    }
    if(zeros == 0) return true;
    for (int i = mid + 1; i <= n; i++)
    {
        cnt[arr[i]]++;
        if(cnt[arr[i]] == 1){
            zeros --;
        }
        cnt[arr[i - mid]]--;
        if(cnt[arr[i - mid]] == 0){
            zeros ++;
        }
        if(zeros == 0){
            return true;
        }
    }
    return false;
}

int search(){
    int l = k, r = n;
    int ans = -1;
    while(l <= r){
        int mid = (l + r) / 2;
        if(check(mid)){
            r = mid - 1;
            ans = mid;
        }
        else{
            l = mid + 1;
        }
    }
    return ans;
}

int main(){
    cin >> n >> k >> m;
    for (int i = 1; i <= n; i++)
    {
        cin >> arr[i];
    }
    while(m--){
        int t; cin >> t;
        if(t == 1){
            int i, a;
            cin >> i >> a;
            arr[i] = a;
        }
        else{
            cout << search() << '\n';
        }
    }
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 320 KB Output is correct
2 Correct 19 ms 320 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 118 ms 340 KB Output is correct
2 Correct 30 ms 340 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 187 ms 360 KB Output is correct
2 Correct 36 ms 340 KB Output is correct

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 428 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 316 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 436 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -