Submission #631527

#	Time	Username	Problem	Language	Result	Execution time	Memory
631527		berr	Nizin (COCI16_nizin)	C++17	0 / 100	58 ms	18336 KiB

nizin

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

int32_t main()
{
    ios_base::sync_with_stdio(false); cin.tie(0);

    int n; cin>>n;
    vector<int> a(n);
    int sum=0;

    for(int i=0; i<n; i++)
    {
        cin>>a[i];
        sum+=a[i];
    }   

    vector<int> x, y;

    int l=0;
    int flag=0, pos=0;
    for(int i=0; i<n; i++)
    {
        l+=a[i];
        if(l==sum/2) 
        {
            pos=i;
            flag=1;
        }
    }

    if(flag==0)
    {
        l=0;
        for(int i=0; i<n-1; i++)
        {
            if((sum-a[i])/2==l)
            {   
                pos=i;
            }
        }
        for(int i=0; i<n; i++)
        {
            if(i<pos) x.push_back(a[i]);
            if(i>pos) y.push_back(a[i]);
        }

        reverse(y.begin(), y.end());
    }
    else
    {
        for(int i=0; i<n; i++)
        {
            if(i<=pos) x.push_back(a[i]);
            else y.push_back(a[i]);
        }
        reverse(y.begin(), y.end());

    }

     l=0;
    int r=0;
    int s=0;
    while(l<x.size()&&r<y.size())
    {
        if(x[l]==y[r]) l++, r++;
        else if(x[l]<y[r])
        {
            x[l+1]+=x[l];
            s++;
            l++;
        }
        else
        {
            y[r+1]+=y[r];
            s++;
            r++;
        }
    }

    cout<<s;   
}

Compilation message (stderr)

nizin.cpp: In function 'int32_t main()':
nizin.cpp:65:12: 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]
   65 |     while(l<x.size()&&r<y.size())
      |           ~^~~~~~~~~
nizin.cpp:65:24: 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]
   65 |     while(l<x.size()&&r<y.size())
      |                       ~^~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10