06 2018 档案

利用MAP存数据，防止超时，一开始用了两个for 循环CodeForces - 702B
摘要：CodeForces - 651C Watchmen are in a danger and Doctor Manhattan together with his friend Daniel Dreiberg should warn them as soon as possible. There a 阅读全文
posted @ 2018-06-07 19:45 .。 阅读(154) 评论(0) 推荐(0) 编辑
思维题，加强读题能力CodeForces - 705B
摘要：#include<iostream>using namespace std;int main(){ int n,i; long long sum,x; cin>>n; sum=0; for(i=1;i<=n;i++){ cin>>x; sum=sum+x-1; if(sum%2){ cout<<"1 阅读全文
posted @ 2018-06-07 17:48 .。 阅读(102) 评论(0) 推荐(0) 编辑