제출 #25371

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
25371		gabrielsimoes	Palembang Bridges (APIO15_bridge)	C++14	0 / 100	0 ms	2024 KiB

bridge

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<ll,ll> pll;

int main()
{
	int m, n;
	scanf("%d %d", &m, &n);

	char a,c;
	ll b,d, ans0 = 0;
	vector<pll> v;
	for (int i = 0; i < n; i++) {
		scanf(" %c %lld %c %lld",&a, &b,&c, &d);
		if (d < b) swap(b,d);
		
		if (a == c) ans0 += d - b;
		else v.push_back(pll(b,d)), ans0++;
	}

	if (m == 1) {
		vector<ll> all;
		for (pll& p : v)
			all.push_back(p.first), all.push_back(p.second);
		sort(all.begin(), all.end());
		ll x = all[all.size()/2 - 1];
		for (ll y : all)
			ans0 += abs(y - x);
		printf("%lld\n", ans0);
		return 0;
	}
}

컴파일 시 표준 에러 (stderr) 메시지

bridge.cpp: In function 'int main()':
bridge.cpp:10:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &m, &n);
                        ^
bridge.cpp:16:42: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf(" %c %lld %c %lld",&a, &b,&c, &d);
                                          ^

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