- 题解
1674
- @ 2026-10-13 15:38:23
#include<bits/stdc++.h> using namespace std; int main() { int a,b,m,n; cin>>a>>b>>m>>n; int c[1000000]={}; c[1]=a; c[2]=b; int num=0; for (int i=1;i<=n;i++) { if(i>=3) { c[i]=c[i-1]+c[i-2]; } num+=c[i]; if(c[i]>=m) break; } cout<<num; return 0; }
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