Submission #298891

# Submission time Handle Problem Language Result Execution time Memory
298891 2020-09-14T09:24:48 Z Dovran Detecting Molecules (IOI16_molecules) C++11
0 / 100
1 ms 384 KB
#include <bits/stdc++.h>
#define N 1000009
#define pii pair <int, int>
#define ff first
#define sz() size()
#define ss second
#define pb push_back
#define ll long long

using namespace std;

int c[N], n;
pii p[N];
vector<int> ans;

vector<int> find_subset(int l, int r, vector<int> w){
	n=w.sz();
	for(int i=0; i<n; i++)
		p[i]={w[i], i};
	sort(p, p+n);
	for(int i=0; i<n; i++)
		c[p[i].ss]+=c[p[i-1].ss]+p[i].ff;
	p[-1].ss=-1;
	for(int i=0; i<n; i++){
		if(l<=c[p[n-1].ss]-c[p[n-i-2].ss] and r>=c[p[i].ss]){
			ll sum=c[p[i].ss];
			int in=-1, x=i;
			for(int j=i+1; j<n; j++){
				if(sum>=l)
					break;
					
				in++, x++, sum+=p[j].ff, sum-=p[in].ff;
			}
			if(sum>=l){
				for(int j=in+1; j<=x; j++)
					ans.pb(p[j].ss);
				return ans;
			}
			break;
		}
	}
	ans.pb(0);
	return ans;
	
}
/*
int main(){
	int m, l, r, x;
	vector<int>v;
	cin>>m>>l>>r;
	for(int i=0; i<m; i++)
		cin>>x, v.pb(x);
	vector<int>asd=find_subset(l, r, v);
	for(auto i:asd)
		cout<<i<<' ';
}*/

Compilation message

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:23:6: warning: array subscript -1 is below array bounds of 'std::pair<int, int> [1000009]' [-Warray-bounds]
   23 |  p[-1].ss=-1;
      |  ~~~~^
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB sum of weights should be in [10..12] but it is 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB OK (n = 12, answer = YES)
2 Correct 1 ms 384 KB OK (n = 12, answer = YES)
3 Incorrect 1 ms 384 KB sum of weights should be in [307..317] but it is 50
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB sum of weights should be in [10..12] but it is 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB sum of weights should be in [10..12] but it is 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB sum of weights should be in [10..12] but it is 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB sum of weights should be in [10..12] but it is 9
2 Halted 0 ms 0 KB -