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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(void) {
  5. char str[4][50];
  6. double sum = 0.0;
  7.  
  8. for (int i = 0; i < 4; i++) {
  9. printf("Enter floating-point string %d: ", i + 1);
  10. scanf("%49s", str[i]);
  11. sum += strtod(str[i], NULL);
  12. }
  13.  
  14. printf("Total sum: %.4f\n", sum);
  15. return 0;
  16. }
Success #stdin #stdout 0s 5316KB
stdin
Standard input is empty
stdout
Enter floating-point string 1: Enter floating-point string 2: Enter floating-point string 3: Enter floating-point string 4: Total sum: 0.0000