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12 1 3 3 4 0 7 3 8 15 19 15 20 10 15 8 18 6 12 5 10 4 14 2 9 0
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#include <iostream> #include <algorithm> using namespace std; struct show{ int be; int en; }; bool cmp(show a,show b){ return a.en<b.en; } int main(){ int n,i,j; show my[101]; while(cin>>n&&n){ i=0; while(i<n){ cin>>my[i].be>>my[i].en; i++; } sort(my,my+n,cmp); int temp=0; for(i=0,j=0;i<n;++i){ if(my[i].be>=temp){ temp=my[i].en; ++j; } } cout<<j<<'\12'; } return 0; }
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原文地址:http://blog.csdn.net/zp___waj/article/details/46494819