题解 | 简写单词

#include <stdio.h>
#include <ctype.h>
#include <string.h>

int main() 
{
    char line[5000]; 
    fgets(line, sizeof(line), stdin);
    int len = strlen(line);
    int i = 0;
    while (i < len && line[i] == ' ') 
    i++;
    while (i < len) 
    {
        if (line[i] != ' ' && (i == 0 || line[i-1] == ' ')) 
        {
            putchar(toupper(line[i]));
        }
        i++;
    }
    
    return 0;
}