[閒聊] read data2

[PanJC ((#‵Д′)f〒﹌﹌﹌﹌﹌ꄩ]

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

int main(){
        FILE *data;
        data = fopen("data.txt","r");
        // "r" : read data
        // "w" : write data
        // "a" : write and append to
        if(data == NULL){
                printf("data.txt is not found!");
                return 0;
        }
        int n = 100, i;
        double x[100];
        double y[100];
        double z[100];
        double w[100];
        for( i = 0 ; i < n ; i++ ){
                fscanf(data,"%lf %lf %lf %lf",w+i,x+i,y+i,z+i);
                // fscanf(data,"%lf",&x[i])
                printf("%lf\t%lf\t%lf\t%lf\n",w[i],x[i],y[i],z[i]);
        }
        fclose(data);
}

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