View Code of Problem 52

#include <iostream>
#include <cstdio>
using namespace std;
int main(){
    char str[150],a[150];
    cin.getline(str,150);
    long i;
    int j,t;
    for(i=strlen(str)-1,j=0;i>=0,j<strlen(str);j++,i--){
//        for(j=0;j<strlen(str);j++)
            t=str[i];
            a[j]=t;
        
    }
    for(j=0;j<strlen(str);j++){
        cout<<a[j];

    }
    return 0;
}
/*
Main.cc: In function 'int main()':
Main.cc:9:21: error: 'strlen' was not declared in this scope
     for(i=strlen(str)-1,j=0;i>=0,j<strlen(str);j++,i--){
                     ^
Main.cc:15:25: error: 'strlen' was not declared in this scope
     for(j=0;j<strlen(str);j++){
                         ^
*/