#import <string>
#import <stdio.h>
float operator-(std::string s, int i) {
return (float)std::stoi(s) - i;
}
int main () {
std::string s = "5";
int i = 2;
float f = s - i;
printf("%f\n", f);
return 0;
}
I2ltcG9ydCA8c3RyaW5nPgojaW1wb3J0IDxzdGRpby5oPgoKZmxvYXQgb3BlcmF0b3ItKHN0ZDo6c3RyaW5nIHMsIGludCBpKSB7CiAgcmV0dXJuIChmbG9hdClzdGQ6OnN0b2kocykgLSBpOwp9CgppbnQgbWFpbiAoKSB7CiAgc3RkOjpzdHJpbmcgcyA9ICI1IjsKICBpbnQgaSA9IDI7CiAgCiAgZmxvYXQgZiA9IHMgLSBpOwogIAogIHByaW50ZigiJWZcbiIsIGYpOwogIHJldHVybiAwOwp9