sysy-data/h-p/sy/h-2-02.sy

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//large loop and large array caculate
int COUNT = 500000;
float loop(float x[], float y[], int length) {
int i = 0;
float accum = 0.0;
while (i < length) {
accum = accum + x[i] * y[i];
i = i + 1;
}
return accum;
}
int main() {
int i = 0, j = 0;
float x[4900];
float y[4900];
int len=4900;
float total = 0.0;
float a = 0.0;
float b = 1.0;
starttime();
while ( i < COUNT) {
if (i % 10) {
a = 0.0;
b = 1.0;
} else {
a = a + 0.1;
b = b + 0.2;
}
while ( j < len) {
x[j] = a + j;
y[j] = b + j;
j = j + 1;
}
total = total + loop(x, y, len);
i = i + 1;
}
stoptime();
int final=total - 19694630517866496.0000001;
if ( final<=0.000001 && final >= -0.000001) {
putint(10);
return 0;
}
else {
putint(1);
return 1;
}
}