OJ Board

This is complete functional solution of this problem. :-?
[c]
int main() {
long long p=1;
const long long o = 6227020800LL;
int i=0;

while(scanf("%i", &i) == 1){
if (i<0) {
if (-i%2==0) {
printf("Underflow!\n");
continue;
} else {
printf("Overflow!\n");
continue;
}
}
p=1;

for(; i>1 ...