sysy-data/final_performance/sy/recursive_call_3.sy

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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 = 1.001;
res = func(a, num);
if (res - expect==0)
putch(112);
stoptime();
return 0;
}