题解 | #BC44 小乐乐与欧几里得#
小乐乐与欧几里得
https://www.nowcoder.com/practice/da13e0cf321e4df9acd0fdf0a433cbb0
#include <stdio.h>
int gcd(int a, int b) {
// Greatest Common Divisor
return (b==0)? a: gcd(b, a%b);
}
long lcm(int a, int b) {
// Least Common Multiple
return (long)a*b/gcd(a,b);
}
int main() {
int a, b;
long c;
while(scanf("%d%d", &a, &b) != EOF) {
c = gcd(a, b) + lcm(a, b);
printf("%ld\n", c);
}
return 0;
}
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