#include <stdio.h>
#define MAXLINE 1000

int getline(char line[], int maxline);
void copy(char to[], char from[]);

main () {

 int len;
 int max;
 char line[MAXLINE];
 char longest[MAXLINE];

 max = 0;

 while ((len = getline(line, MAXLINE)) > 0) {

   if(len > max) {

     max = len;
     copy(longest, line);

   }

 }

 if(max > 0) printf("%s", longest);

 return 0;
}

int getline (char line[], int limit) {

 int i, c;

 for (i = 0;  i < limit - 1 && (c = getchar()) != EOF && c != 'n';  i++) line[i] = c;

 if (c == 'n') {

  line[i] = c;
  i++;

 }

 line[i] = '';

 return i;
}

void copy(char to[], char from[]) {

  int i;

  i = 0;
  while((to[i] = from[i]) != '')
    i++;
}

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define MAX_LINE 1000

int main()
{
    int ch; //char input
    int length; //length of the line
    int max=0; //length of the longest line
    int j=0;
    int i=0;
    char line[MAX_LINE]; //line input
    char help [MAX_LINE];
    char longest [MAX_LINE]; //longest line

    while ((ch=getchar())!='n'){ //first line
        longest[i]=ch;
        ++i;
    }

    max=i;
    i=0;
    length=0;
    while ((ch=getchar())!=EOF){
        line[i]=ch;
        help[j]=ch;
        ++j;
        ++i;
        ++length;
        if (ch=='n'){
                help[j]='';
            if (length-1>max){
                max=length-1;
                j=0;
                printf("Longest -> %s",help);
                }
            else {
                memset(help,0,100); //erase elements
            }
            length=0;
        }

    }
    return 0;
}

help[0] = '';

help[j]=ch;
++j;

help[j++] = ch;

while ((ch=getchar())!=EOF){

while ((ch = getchar()) != EOF) {