unsigned long long fi[10000000]一定得是全局变量,要不然会爆
#include <bits/stdc++.h> using namespace std; unsigned long long fi[10000000]; int main() { fi[2]=fi[1]=1; int n; cin>>n; for(int i=3;i<=n;i++) { fi[i]=(fi[i-1]+fi[i-2])%10007; } cout<<fi[n]; }
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