oj.uz

Submission #38585

# Submission time Handle Problem Language Result Execution time Memory
38585 2018-01-04T15:35:30 Z MrPlany Money (IZhO17_money) C++14
0 / 100
 0 ms 9828 KB 
#include <iostream>
using namespace std;
const int N = 1e6+5;
int n,a[N],t[N];
int sum(int k){
	int s=0;
	while(k>0){
		s+=t[k];
		k-=k&-k;
	}
	return s;
}
int add(int k, int val){
	while(k<N){
		t[k]+=val;
		k+=k&-k;
	}
}
int main(){
	cin>>n;
	for(int i=1;i<=n;i++) cin>>a[i];
	int ans = 0;
	for(int i=1;i<=n;i++){
		int l,r;l = r = i;
		while( a[r+1]>=a[r] && sum(a[r]) - sum(a[l]-1)<=0) r++;
		ans++;
		while(l<=r) add(a[l++],1);
		i=r;
	}
	cout << ans;
}

Compilation message

money.cpp: In function 'int add(int, int)':
money.cpp:18:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9828 KB Output is correct
2 Incorrect 0 ms 9828 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9828 KB Output is correct
2 Incorrect 0 ms 9828 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9828 KB Output is correct
2 Incorrect 0 ms 9828 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9828 KB Output is correct
2 Incorrect 0 ms 9828 KB Output isn't correct
3 Halted 0 ms 0 KB -