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Lti mind tree Exam cleared🥳😍🥳😍
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#include<bits/stdc++.h>
using namespace std;
int main(){
int n;
cin>>n;
unordered_map<int,int> mp;
vector<int> nums(n);
for(int i=0; i<n; i++){
cin>>nums[i];
if(nums[i]!=-1) mp[nums[i]]+=i;
}
int maxi = INT_MIN;
int res = 0;
for(auto i: mp){
if(maxi<i.second){
maxi=i.second;
res = i.first;
}
}
cout<<res;
}
import collections
v=int(input())
l=list(map(int,input().split()))
d=collections.defaultdict(int)
for k,v in enumerate(l):
if v!=-1:
d[v]+=k
req=max(d.values())
for k,v in d.items():
if v==req:
print(k)
break
int solution(vectorarr){
int ans=INT_MIN;
int result=-1;
vectorweight(arr.size(),0);
for(int i=0;i
int solve(vector& maze,int n)
{
int maxSum=-1;
for(int i=0; i visited;
while(node < n && node >= 0 && i!=maze[node] && visited.count(node)==0)
{
visited.insert(node);
sum+=node;
node=maze[node];
}
if(node>=0 && node < n && i == maze[node])
{
maxSum=max(maxSum,sum);
}
}
return maxSum;
}
int minimumWeight(int n, vector>& edges, int C1, int C2) {
vector A(n,LLONG_MAX), B(n,LLONG_MAX);
Dijkstra(C1,graph,A);
Dijkstra(C2,graph,B);
int node=0 , dist=LLONG_MAX;
for(int i=0;i<=n-1;i++){
if(A[i]==LLONG_MAX || B[i]==LLONG_MAX) continue;
if(dist>A[i]+B[i]){
dist= A[i]+B[i];
node=i;
}
}
return node;
}
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