50026. A Better Word Count
難度：3/5
Syntax記一下，還有數字數的方法也能記一下，其他應該就沒什麼大礙。1
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53#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
int count_line(char* file_name){
FILE *f = fopen(file_name, "r");
int cnt = 0;
char buf[2000];
while(fgets(buf, 2000, f)){
cnt++;
}
return cnt;
}
int count_word(char* file_name){
FILE *f = fopen(file_name, "r");
int cnt = 0;
char buf[2000];
while(fgets(buf, 2000, f)){
int temp_cnt = 0;
int n = strlen(buf);
for(int i = 0; i < n; i++){
if(isalpha(buf[i])){
while(isalpha(buf[i])){
i++;
}
cnt++;
}
}
}
return cnt;
}
int count_size(char* file_name){
FILE *f = fopen(file_name, "r");
fseek(f, 0, SEEK_END);
int res = ftell(f);
fclose(f);
return res;
}
int main(){
char file_name[1024];
scanf("%s", file_name);
printf("%d %d %d\n", count_line(file_name), count_word(file_name), count_size(file_name));
}