Submission #1261112

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Source Code Expand

#include <cstdio>
#include <string>

char str[301];

int main(){
  std::string::size_type i;

  std::scanf("%300s\n", str);

  std::string s(str);

  std::string::size_type len = s.length();
  int c = 0;

  do {
    while((i = s.find("iiwi")) != std::string::npos){
      s.erase(i+1, 3);
      c++;
    }
    while((i = s.find("iwii")) != std::string::npos){
      s.erase(i, 3);
      c++;
    }
  } while(s.length() == len);

  do {
    while((i = s.find("iwi")) != std::string::npos){
      s.erase(i, 3);
      c++;
    }
  } while(s.length() == len);

  printf("%d\n", c);

  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   std::scanf("%300s\n", str);
                             ^

Judge Result