Submission #2693987

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Source Code Expand

#include<cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <math.h>
#include<string>
using namespace std;

string v;
int N,K,a = 1,i = 0;
int main(){
  scanf("%d %d", &N, &K);
  cin >> v;
  string r = v;
  sort(v.begin(), v.end());
  while(a<K){
    if(i == N){break;}
    if(r[i] == v[i]){
      i += 1;
    }
    else{
      char ire = r[i];
      r[i] = v[i];
      replace(r.begin()+i+1, r.end(), r[i], ire);
      a += 1;
      i += 1;
    }
  }
  std::cout << r << '\n';
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &N, &K);
                         ^

Judge Result