08/05/28 10:31:25
>>882
（・３・） エェー こんなもん？
#include<stdio.h>
#include<stdlib.h>
#define DATA_NUM_MAX (100*2)
int compare(const unsigned short *a, const unsigned short *b){
if(*a>*b) return 1;
if(*a<*b) return -1;
return 0;
}
int main(int argc, char *argv[]){
FILE *fp_in, *fp_out;
unsigned short data[DATA_NUM_MAX];
int i, data_num=0;
if(argc!=4){
printf("Usage: ./a.out filename[in] filename[in] filename[out]\n");
return 0;
}
for(i=0;i<2;i++){
if((fp_in=fopen(argv[i+1], "r"))==NULL) return 1;
for(;data_num<DATA_NUM_MAX;data_num++)
if(fscanf(fp_in, "%hu", &data[data_num])!=1) break;
fclose(fp_in);
}
qsort(data, data_num, sizeof(data[0]), (int (*)(const void *,const void *))compare);
if((fp_out=fopen(argv[3], "w"))==NULL) return 2;
for(i=0;i<data_num;i++) fprintf(fp_out, "%hu\n", data[i]);
return 0;
}