题意

给你三条边a,b,c问使得构成三角形,需要增加的最少长度是多少

思路

数学了啦

代码

#include<bits/stdc++.h>
using namespace std;
#define ll long long int main(){
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
//freopen("in.txt","r",stdin);
int a,b,c;
while(cin>>a>>b>>c){
if(a+b>c&&a+c>b&&b+c>a)
{
cout<<0<<endl;
continue;
}
int i=a+b-c,j=a+c-b,k=b+c-a;
int h=min(i,min(j,k));
if(h<=0) cout<<-h+1<<endl;
}
return 0;
}

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