Submission

Status:

PPPPPTTTTT

Subtask/Task Score:

50/100

Score: 50

User: Standard_User_09

Problemset: อนุกรม

Language: cpp

Time: 1.097 second

Submitted On: 2025-10-08 08:22:50

#include <cstdio>
long long fb(int f){
    return (f>1)?fb(f-1)+fb(f-2):f;
}
int main(){
    int n;
    scanf("%d",&n);
    printf("%lld",fb(n));
}