Submission #1061042

#	Time	Username	Problem	Language	Result	Execution time	Memory
1061042		boyliguanhan	Mountains (IOI17_mountains)	C++17	0 / 100	1 ms	420 KiB

mountains

#include "mountains.h"
#include<algorithm>
int maximum_deevs(std::vector<int> y) {
    y.push_back(1e9+1);
    y.insert(y.begin(),1e9+1);
    int ans=0;
    y.erase(unique(y.begin(),y.end()),y.end());
    for(int i=1;i<y.size()-1;i++)
        if(y[i]<y[i+1]&&y[i]<y[i-1])
            ans++;
    return ans;
}

Compilation message (stderr)

mountains.cpp: In function 'int maximum_deevs(std::vector<int>)':
mountains.cpp:8:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for(int i=1;i<y.size()-1;i++)
      |                 ~^~~~~~~~~~~

• Subtask 1: 0 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 30
• Subtask 4: 0 / 30