#include <bits/stdc++.h>
using namespace std;
int main()
{
// cout << "Hello world!" << endl;
ios_base::sync_with_stdio(0);
cin.tie(0);
long long n,c=0;
cin>>n;
long long a[n],b[n]={};
for(int i=0;i<n;i++)
{
cin>>a[i];
}
while(a!=b)
{
long long s=-1,e=-1;
long long m=1e9+1;
for(int i=0;i<n;i++)
{
if(a[i]!=0)
{
m=min(a[i],m);
if(s==-1)
{
s=i;
}
e=i;
}
else
{
if(e!=-1&&s!=-1)break;
}
}
//cout<<s<<" "<<e<<endl;
if(s!=-1&&e!=-1)
{
for(int i=s;i<=e;i++)
{
a[i]-=m;
}
}
else
{
break;
}
c++;
}
cout<<c<<"\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Execution timed out |
1086 ms |
972 KB |
Time limit exceeded |
5 |
Execution timed out |
1073 ms |
1356 KB |
Time limit exceeded |
6 |
Execution timed out |
1090 ms |
1868 KB |
Time limit exceeded |
7 |
Execution timed out |
1084 ms |
1868 KB |
Time limit exceeded |