#include<stdio.h>
#include<math.h>
#include <stdlib.h>
#include <time.h>

int main(void) 
{      
	char c;
        time_t start,stop;
        double diff;
        char file[100];
        char file2[100];
	int i,count[256]={0};
	FILE *fin;
	FILE *fout;
	printf("input the file name\n");
	scanf("%s",file);
	fin=fopen(file,"r");
        time(&start);
	while ((fscanf(fin,"%c",&c))!=-1) count[(int)c]++;
        time(&stop);
	diff=stop-start;
        printf("use %.4lf seconds\n", diff);
	printf("input the output name\n");
        scanf("%s",file2);
	fout=fopen(file2,"w");
	for (i=0;i<256;i++)
	{	
		if (count[i]!=0) 
                {
                  if(i>31 && i<255) 
		     fprintf(fout,"%d\t%c\t\t%d\n",i,i,count[i]);
			else
				fprintf(fout,"%d\t%d\t\t%d\n",i,i,count[i]);

                  }
          }
}