Submission #919700

#	Time	Username	Problem	Language	Result	Execution time	Memory
919700		vjudge1	Airplane (NOI23_airplane)	C++17	0 / 100	29 ms	1884 KiB

Main

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#include <bits/stdc++.h>

using namespace std;

int main()
{
    int n,m;
    cin>>n>>m;
    int arr[n];
    int mx = 0;
    vector<int> idx;
    for(int i =0;i<n;i++){
        cin>>arr[i];
        mx=max(mx,arr[i]);
    }
    for(int i =0;i<n;i++)if(arr[i]==mx)idx.push_back(i);
    int cnt = 0;
    for(int i = 0;i<idx.size();i++){
        if(i==0){
            int k = idx[0];
            for(int j =1;j<=k;j++)cnt+=max(1,arr[j]-arr[j-1]);
        }
        if(i>0)cnt+=idx[i]-idx[i-1];
        if(i==idx.size()-1){
            for(int j = n-2;j>=idx[i];j--){
                cnt+=max(1,arr[j]-arr[j+1]);
            }
        }
    }
    cout<<cnt<<endl;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:26:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     for(int i = 0;i<idx.size();i++){
      |                   ~^~~~~~~~~~~
Main.cpp:32:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |         if(i==idx.size()-1){
      |            ~^~~~~~~~~~~~~~

• Subtask 1: 0 / 22
• Subtask 2: 0 / 10
• Subtask 3: 0 / 31
• Subtask 4: 0 / 37