P3078 [USACO13MAR]Poker Hands S
链接:Miku
----------------
这道题和线段树有什么关系
---------------
很简单的贪心,如果一堆牌比左边的大,那么肯定是要加上他的差的
反正,顺手出掉就可以了
--------------
#include<iostream>
using namespace std;
long long ans;
long long last;
int n;
long long now;
int main(){
cin>>n;
for(int i=;i<=n;++i){
cin>>now;
if(now>last){
ans+=(now-last);
}
last=now;
}
cout<<ans;
return ;
}
Ac
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