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Record Detail

Wrong Answer


  
# Status Time Cost Memory Cost
#1 Accepted 1ms 512.0 KiB
#2 Accepted 17ms 648.0 KiB
#3 Accepted 17ms 764.0 KiB
#4 Accepted 16ms 532.0 KiB
#5 Accepted 17ms 648.0 KiB
#6 Accepted 17ms 604.0 KiB
#7 Wrong Answer 17ms 628.0 KiB
#8 Wrong Answer 3ms 532.0 KiB
#9 Wrong Answer 2ms 552.0 KiB
#10 Wrong Answer 16ms 596.0 KiB
#11 Wrong Answer 2ms 532.0 KiB
#12 Wrong Answer 5ms 336.0 KiB
#13 Wrong Answer 12ms 584.0 KiB
#14 Wrong Answer 9ms 584.0 KiB
#15 Wrong Answer 14ms 592.0 KiB

Code

#include <bits/stdc++.h>
using namespace std;
using ll=long long;

string solve(int n,int k,vector<string>& arr) {
    for(int i=0; i<k && n>1; i++) {
        string max_con= "";
        int pos=-1;

        // Find the best pair to concatenate
        for (int j=0; j<n-1; j++) {
            string concat1 = arr[j] + arr[j + 1];
            if (concat1>max_con){
                max_con=concat1;
                pos = j;
            }
        }

        if(pos !=-1){
        arr[pos] = max_con;
        arr.erase(arr.begin() + pos + 1);
        --n;
        }
    }
    return *max_element(arr.begin(), arr.end());
}

int main() {
    int t;
    cin>>t;

    while(t--){
        int n,k;
        cin>>n>>k;
        vector<string> str(n);

        for(int i = 0; i < n; ++i) {
            cin>>str[i];
        }

        cout<<solve(n,k,str) << endl;
    }

    return 0;
}

Information

Submit By
Type
Submission
Problem
P1083 Number concatenation
Contest
Bangladesh 2.0
Language
C++20 (G++ 13.2.0)
Submit At
2024-08-16 16:45:00
Judged At
2024-10-03 13:26:06
Judged By
Score
30
Total Time
17ms
Peak Memory
764.0 KiB