Submission #63278872

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
const int N = 2e5+10;
typedef pair<int,int>pii;
int n,m;
int a[N];
string s;
map<int,pii>g;
pii b[N];
void solve(){
	cin>>n;
	unordered_map<int,int>mp;
	for(int i = 1 ; i <= n; i++){
		cin>>a[i];
		mp[a[i]]++;
		if(mp[a[i]] == 1){
			g[a[i]].first = i;
		}
		if(mp[a[i]] == 2){
			g[a[i]].second = i;
		}
	}
	int jud = 1;
	int ma = 0;
	for(auto [k,v] : mp){
		if(v != 1 ) jud = 0;
		
	}
	if(jud) {
	 cout<<-1;
	 return ;  
	}
	int ans = 0x3f3f3f3f;
	for(auto it : g){
		int num = it.first;
		pii pos = it.second;
		if(pos.second != 0 && pos.first != 0)
		ans = min(pos.second - pos.first + 1, ans);
	//cout<<pos.first <<" "<<pos.second<<endl;
	}
//	cout<<g[3].second;
	cout<<ans;
}
signed main()
{
    ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
//	int T;
//    cin>>T;
//    while(T--)
      solve();
	return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘void solve()’:
Main.cpp:37:21: warning: unused variable ‘num’ [-Wunused-variable]
   37 |                 int num = it.first;
      |                     ^~~
Main.cpp:26:13: warning: unused variable ‘ma’ [-Wunused-variable]
   26 |         int ma = 0;
      |             ^~

Judge Result