pc5

#include <stdio.h>

int main(void) {
  while (1) {

    puts("1)adunare");
    puts("2)scadere");
    puts("3)inmultire");
    puts("4)impartire");
    puts("5)exit");
    int opt;
    printf("option="); scanf("%d", &opt);

    if (opt == 5) {
      break;
    }

    float x, y;
    printf("x="); scanf("%f", &x);
    printf("y="); scanf("%f", &y);

    float res;
    if (opt == 1) {
      res = x + y;
    } else if (opt == 2) {
      res = x - y;
    } else if (opt == 3) {
      res = x * y;
    } else if (opt == 4) {
      res = x / y;
    }

    printf("raspuns=%g\n\n", res);
  }

  return 0;
}