Submission #773561

#	Time	Username	Problem	Language	Result	Execution time	Memory
773561		vjudge1	Zagrade (COI20_zagrade)	C++17	0 / 100	1 ms	432 KiB

zagrade

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define OYY 10000000005
#define mod 1000000007
char dizi[100005];
vector <int> q;

int sor(int x,int y){
    cout<<"? "<<x<<" "<<y<<" ";
    cout<<'\n';
    int m;cin>>m;
    cout<<'\n';
    return m;
}

int32_t main(){
    int n,k;cin>>n>>k;
    dizi[1]='(';
    q.push_back(1);
    for(int i=2;i<=n;i++){
        if(q.size() && sor(q.back(),i)){
            dizi[i]=')';
            q.pop_back();
        }
        else{
            dizi[i]='(';
            q.push_back(i);
        }
    }
    /*for(int i=0;i<q.size();i++)cout<<q[i]<<" ";
    cout<<endl;*/
    int gec=q.size()/2;
    //int gec=n/2;
    //cout<<"ft"<<gec<<endl;
    for(int i=0;i<q.size()-1;i++){
        dizi[q[i]]=')';
    }
    cout<<"! ";
    for(int i=1;i<=n;i++)cout<<dizi[i]<<" ";
    cout<<'\n';
}

Compilation message (stderr)

zagrade.cpp: In function 'int32_t main()':
zagrade.cpp:36:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |     for(int i=0;i<q.size()-1;i++){
      |                 ~^~~~~~~~~~~
zagrade.cpp:33:9: warning: unused variable 'gec' [-Wunused-variable]
   33 |     int gec=q.size()/2;
      |         ^~~

• Subtask 1: 0 / 14
• Subtask 2: 0 / 7
• Subtask 3: 0 / 57
• Subtask 4: 0 / 22