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Oops ! I found out the reason...

tnx.

here is the msg I get from uva.

code.cpp: In function 'int main()':
code.cpp:9:10: error: 'getchar' was not declared in this scope
code.cpp:13:12: error: 'gets' was not declared in this scope
code.cpp:22:16: warning: converting to non-pointer type 'char' from NULL

I can replace "getchar ...

hi,

I'm getting CE for this code, I don't how to change it, can anyone help ?

#include<iostream>
#include<cmath>
#include<cstring>
using namespace std;

int main(){
int n;
cin>>n;
getchar();
for(int i=1; i<=n; i++){
char ciph[10010], deciph[10010];
int len, sq;
gets(ciph);
len = strlen ...