Submission #1225611

#	Time	Username	Problem	Language	Result	Execution time	Memory
1225611		TadijaSebez	Stone Arranging 2 (JOI23_ho_t1)	C++20	100 / 100	132 ms	13240 KiB

Main

#include <bits/stdc++.h>
using namespace std;

int main(){
    int n;
    scanf("%i",&n);
    vector<pair<int,int>> stk;
    set<int> all;
    for(int i=1;i<=n;i++){
        int x;
        scanf("%i",&x);
        if(all.find(x)!=all.end()){
            while(stk.back().first!=x){
                all.erase(stk.back().first);
                stk.pop_back();
            }
        }else{
            stk.push_back({x,i});
            all.insert(x);
        }
    }
    for(int i=0;i<stk.size();i++){
        int from=stk[i].second;
        int to=i+1==stk.size()?n:stk[i+1].second-1;
        for(int j=from;j<=to;j++)printf("%i\n",stk[i].first);
    }
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |     scanf("%i",&n);
      |     ~~~~~^~~~~~~~~
Main.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         scanf("%i",&x);
      |         ~~~~~^~~~~~~~~

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 40 / 40