Submission #896972

#	Time	Username	Problem	Language	Result	Execution time	Memory
896972		AndrijaM	Pancake (NOI12_pancake)	C++14	12 / 25	15 ms	348 KiB

pancake

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

int main()
{
    int t;
    cin>>t;
    int n;
    while(t--)
    {
        cin>>n;
        vector<int>v;
        for(int i=0;i<n;i++)
        {
            int num;
            cin>>num;
            v.push_back(num);
        }
        reverse(v.begin(),v.end());
        vector<int>s;
        s=v;
        sort(s.begin(),s.end());
        if(v==s)
        {
            cout<<0<<endl;
        }
        else
        {
            int ans=1;
            vector<int>pom;
            for(int i=1;i<v.size();i++)
            {
                if(v[i]>v[i-1])
                {
                    for(int j=i-1;j>=0;j--)
                    {
                        pom.push_back(v[j]);

                    }
                    for(int j=i;j<v.size();j++)
                    {
                        pom.push_back(v[j]);
                    }
                    if(pom==s)
                    {
                        ans=1;
                        break;
                    }
                    else
                    {
                        ans=2;
                        break;
                    }
                }
            }
            cout<<ans<<endl;
        }
    }
    return 0;
}

Compilation message (stderr)

pancake.cpp: In function 'int main()':
pancake.cpp:31:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |             for(int i=1;i<v.size();i++)
      |                         ~^~~~~~~~~
pancake.cpp:40:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |                     for(int j=i;j<v.size();j++)
      |                                 ~^~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 4 / 4
• Subtask 3: 4 / 4
• Subtask 4: 0 / 8
• Subtask 5: 0 / 5