Submission #822940

#	Time	Username	Problem	Language	Result	Execution time	Memory
822940		Minindu206	Wiring (IOI17_wiring)	C++14	0 / 100	1 ms	340 KiB

wiring

#include "wiring.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
long long min_total_length(std::vector<int> r, std::vector<int> b)
{
	int n = r.size(), m = b.size();
	if(n <= 200 && m <= 200)
	{
		ll ans = 0;
		vector<int> visb(m, 0);
		for(int i=0;i<n;i++)
		{
			int mn = -1, val = INT_MAX;
			for(int j=0;j<m;j++)
			{
				if(visb[j])
					continue;
				int cur = abs(r[i] - b[j]);
				if(cur < val)
					mn = j, val = cur;
			}
			visb[mn] = 1;
			ans += val;
		}
		for(int j=0;j<m;j++)
		{
			if(visb[j] == 1)
				continue;
			int mn = -1, val = INT_MAX;
			for(int i=0;i<n;i++)
			{
				int cur = abs(r[i] - b[j]);
				if(cur < val)
					mn = i, val = cur;
			}
			ans += val;
		}
		return ans;
	}
	ll rmx = r[n - 1];
	ll ans = 0;
	for (int i = 0; i < m; i++)
		ans += b[i] - rmx;
	for (int i = 0; i < n - 1; i++)
			ans += rmx - r[i];
	ans += max((ll)(n - m) * (b[0] - rmx), 0LL);
	return ans;
}

Compilation message (stderr)

wiring.cpp: In function 'long long int min_total_length(std::vector<int>, std::vector<int>)':
wiring.cpp:30:8: warning: variable 'mn' set but not used [-Wunused-but-set-variable]
   30 |    int mn = -1, val = INT_MAX;
      |        ^~

• Subtask 1: 0 / 7
• Subtask 2: 0 / 13
• Subtask 3: 0 / 10
• Subtask 4: 0 / 25
• Subtask 5: 0 / 45