利用c語言找出輸入文字最長的一行
阿新 • • 發佈:2018-12-13
前言
來源之《c程式語言》練習1-16
程式碼
#include<stdio.h> #define MAXLINE 1000 int getline(char line[], int maxline); void copy(char to[], char from[]); int main() { int len, max; char line[MAXLINE]; char longest[MAXLINE]; max = 0; while ((len = getline(line, MAXLINE)) > 0) { printf("%d, %s", len, line); if (len > max) { max = len; copy(longest, line); } } if (max > 0) { printf("%s", longest); } return 0; } /*getline: read a line into s, return length*/ int getline(char s[], int lim) { int c, i, j; j = 0; for (i = 0; (c = getchar()) != EOF && c != '\n'; ++i) { if (i < lim - 2) { s[j] = c; j++; } } if (c == '\n') { s[j] = c; ++j; ++i; } s[j] = '\0'; return i; } /*copy: copy 'from' into 'to'; assume to is big enough*/ void copy(char to[], char from[]) { int i; i = 0; while ((to[i] = from[i]) != '\0') { ++i; } }