Submission #34187

#	Time	Username	Problem	Language	Result	Execution time	Memory
34187		nibnalin	Palembang Bridges (APIO15_bridge)	C++14	22 / 100	156 ms	6732 KiB

bridge

#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;

typedef long long int lli;

const lli maxn = lli(1e5)+5;

lli S[maxn], T[maxn];

int main(void)
{
	lli k, n, res = 0;
	string p, q;
	scanf("%lld%lld", &k, &n);
	vector<lli> A;

	for(lli i = 0;i < n;i++)
	{
		cin >> p >> S[i] >> q >> T[i];
		if(p == q) res += abs(S[i]-T[i]);
		else
		{
			res++;
			A.push_back(S[i]), A.push_back(T[i]);
		}
	}
	sort(A.begin(), A.end());

	if(!A.empty())
	{
		lli x = A[lli(A.size())/2];
		for(auto it: A) res += abs(it-x);
	}

	printf("%lld\n", res);
}

Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:17:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld", &k, &n);
                           ^

• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 0 / 9
• Subtask 4: 0 / 32
• Subtask 5: 0 / 37