1 solutions

  • 0
    @ 2025-11-27 11:58:15

    C++ :

    #include <bits/stdc++.h>
    using namespace std;
    
    int main(){
    	int n,m=-1;long long cnt=0;
    	cin>>n;
    	for(int i=0,a;i<n;i++){
    		cin>>a;
    		if(a>m) m=a;
    		else m=m+1;
    		cnt+=m;
    	}cout<<cnt;
    }
    
    • 1

    Information

    ID
    50
    Time
    1000ms
    Memory
    128MiB
    Difficulty
    (None)
    Tags
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