Submission #1187293

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n,m,t;cin>>n>>m>>t;
  int a[n],i,ans=0;
  for(i=0;i<n;i++) cin>>a[i];
  ans+=a[0]-m;
  for(i=0;i<n-1;i++) ans+=max(0,a[i+1]-a[i]-m*2);
  ans+=max(0,t-a[n-1]-m);
  cout << ans << endl;
  return 0;
}

Submission Info

Judge Result