Submission #7779

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Source Code Expand

#include <cstdio>
#include <string>
#include <algorithm>
using namespace std;
void strReplace (string& str, const string& from, const string& to) {
  string::size_type pos = 0;
    while(pos = str.find(from, pos), pos != string::npos) {
        str.replace(pos, from.length(), to);
        pos += to.length();
    }
}
int get(char* s)
{
  int res=11111;
  string pt="ABXY";
  for(int i=0;i<4;i++){
    for(int j=0;j<4;j++){
      for(int k=0;k<4;k++){
        for(int l=0;l<4;l++){
          string t=s;
          strReplace(t,pt.substr(i,1)+pt.substr(j,1),"L");
          strReplace(t,pt.substr(k,1)+pt.substr(l,1),"L");
          res=min<int>(res,t.size());
        }
      }
    }
  }
  return res;
}
int main(void)
{
  int n;
  char buf[1111];
  scanf("%d",&n);
  scanf("%s",buf);
  printf("%d\n",get(buf));
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result
./Main.cpp:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result

Judge Result