Submission #83610

#	Time	Username	Problem	Language	Result	Execution time	Memory
83610		nikolapesic2802	Untitled (POI11_tem)	C++14	24 / 100	1056 ms	33792 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back

int main()
{
    int n;
    scanf("%i",&n);
    vector<int> lo(n),hi(n);
    for(int i=0;i<n;i++)
        scanf("%i %i",&lo[i],&hi[i]);
    int last;
    multiset<int,greater<int> > mins;
    int res=1;
    int s=0;
    mins.insert(lo[0]);
    last=hi[0];
    for(int i=1;i<n;i++)
    {
        if(lo[i]>last)
        {
            mins.clear();
            mins.insert(lo[i]);
            last=hi[i];
            s=i;
            continue;
        }
        while(mins.size()&&*mins.begin()>hi[i])
        {
            mins.erase(mins.find(lo[s]));
            s++;
        }
        mins.insert(lo[i]);
        res=max(res,i-s+1);
    }
    printf("%i\n",res);
    return 0;
}

Compilation message (stderr)

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

• Subtask 1: 8 / 8
• Subtask 2: 8 / 8
• Subtask 3: 8 / 8
• Subtask 4: 0 / 8
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• Subtask 11: 0 / 9
• Subtask 12: 0 / 9