糖葫芦糖的博客

c++: #include <iostream> using namespace std; int main(){ int n = 0; cin>>n; int w,score; float rscore = 0; for(int i = 0;i < n;i++){ cin>>w>>score; rscore += w*score; } if(rscore < 0) rscore = 0; cout<<r.

#CCF201903-1 小中大