oj.uz

Submission #168601

# Submission time Handle Problem Language Result Execution time Memory
168601 2019-12-14T06:35:49 Z Gurban Money (IZhO17_money) C++14
0 / 100
 2 ms 376 KB 
#include <bits/stdc++.h>

#define pb push_back
#define ss second
#define ff first
#define N 2000006
#define inf 1000000009
#define ll long long
#define mid(a,b) (a+b)/2

using namespace std;

int n,a[N],sub,vis[N],pos,mn = 1e9;
map<int,int> p;
vector <pair<int,int>> v;

void fn(int ind,int pr){
	if(p[ind] == 0)
		return;
	if(vis[p[ind]])
		return;
	if(ind + 1 != p[ind]) sub++;
	if(ind + 1 != p[ind] and ((a[ind + 1] > a[ind] and a[ind + 1] <= pr) or a[p[ind]] == a[ind + 1])){
		vis[ind + 1] = 1;
		pr = a[ind + 1];
		fn(ind + 1,1e9);
	}
	fn(p[ind],pr);
}

int main()
{
	scanf("%d",&n);
	for(int i = 1;i <= n;i++){
		scanf("%d",&a[i]);
		v.pb({a[i],i});
		if(a[i] < mn){
			mn = a[i];
			pos = i;
		}
	}
	sort(v.begin(),v.end());
	for(int i = 0;i < v.size() - 1;i++)
		p[v[i].ss] = v[i + 1].ss;
	a[n + 1] = -1e9;
	sub++;
	fn(pos,1e9);
	printf("%d",sub);
}

Compilation message

money.cpp: In function 'int main()':
money.cpp:43:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0;i < v.size() - 1;i++)
                ~~^~~~~~~~~~~~~~
money.cpp:33:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
money.cpp:35:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[i]);
   ~~~~~^~~~~~~~~~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Incorrect 2 ms 376 KB Output isn't correct
5 Halted 0 ms 0 KB -