UVa - 272 - TEX Quotes

#include <iostream>
#include <cstdio>
#include <cstring>
#include <string>
using namespace std;
int main(){
    long int i, count = 0;
    char s[100000];
    while(gets(s)){
    for(i = 0; s[i]; i++){
            if(s[i] == '"'){
                count += 1;
                if(count % 2 == 0){
                        printf("''");
                }
                else{
                        printf("``");
                }
                }
                else
                    printf("%c", s[i]);
                }
                printf("\n");
                }
                return 0;
                }