36 lines
506 B
Plaintext
36 lines
506 B
Plaintext
float myabs(float num) {
|
|
if(num>0){
|
|
return num;
|
|
}
|
|
if(num<0){
|
|
return -num;
|
|
}
|
|
}
|
|
|
|
float func(float data, int num) {
|
|
if (num < 0) {
|
|
return 0;
|
|
}
|
|
num=num-1;
|
|
data = data + func(data, num);
|
|
data = data - func(data, num);
|
|
return data;
|
|
}
|
|
|
|
int main() {
|
|
starttime();
|
|
float a = 1.001;
|
|
int num = getint();
|
|
float res;
|
|
float expect = 0.0;
|
|
|
|
|
|
res = func(a, num);
|
|
|
|
if (res - expect==0)
|
|
putch(112);
|
|
stoptime();
|
|
return 0;
|
|
}
|
|
|