#include <stdio.h>
#include <stdlib.h>
#include <time.h>
float sum(int a, int b) {
return a + b;
}
float sub(int a, int b) {
return a - b;
}
float mul(int a, int b) {
return a * b;
}
float cut(float a, float b) {
return a / b;
}
int main(void) {
// your code goes here
float q = 0, w = 0, e = 0, r = 0;
q = sum(k,l);
w = sub(k,l);
e = mul(k,l);
r = cut(k,l);
printf("a + b = %.2f \na - b = %.2f \na * b = %.2f \na / b = %.2f", q
,w
,e
,r
);
return 0;
}
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