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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. #define ROW 1000
  5. #define COL 10
  6. #define DELIM " \t\r\n"
  7.  
  8. int main(){
  9.  
  10.    FILE *fp = fopen("input.txt","r");
  11.  
  12.    char buf[BUFSIZ];
  13.    char *p;
  14.  
  15.    float arr[ROW][COL];
  16.  
  17.    int row = 0;
  18.    int col;
  19.  
  20.    if(fp == NULL){
  21.       printf("fopen failed\n");
  22.       goto ERROR;
  23.    }
  24.  
  25.    while(fgets(buf,BUFSIZ,fp) != NULL){
  26.       col = 0;
  27.       for(p = strtok(buf,DELIM); p != NULL; p = strtok(NULL,DELIM)){
  28.          sscanf(p,"%f",&arr[row][col++]);
  29.       }
  30.       ++row;
  31.    }
  32.  
  33.    fclose(fp);
  34.  
  35.    return 0;
  36.  
  37. ERROR:
  38.    return -1;
  39.  
  40. }
Runtime error #stdin #stdout 0s 2424KB
comments (?)
stdin 
Standard input is empty
stdout 
fopen failed
https://ideone.com/T8qQGY
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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