제출 #831939

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
831939		DarkMatter	Lightning Rod (NOI18_lightningrod)	C++14	11 / 100	1281 ms	78256 KiB

Main

#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
#include<unordered_map>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef pair<int, int>pi;
typedef pair<ll, ll>pl;
typedef vector<pi>vpi;
typedef vector<pl>vpl;
typedef vector<vi> vvi;
typedef vector<vl> vvl;
typedef vector<string> vs;
typedef vector<bool> vb;
const long double PI = acos(-1);
const ll oo = 1e18;
const int MOD = 1e9 + 7;
const int N = 2e5 + 7;
#define endl '\n'
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define read(v) for (auto& it : v) scanf("%d", &it);
#define readL(v) for (auto& it : v) scanf("%lld", &it);
#define print(v) for (auto it : v) printf("%d ", it); puts("");
#define printL(v) for (auto it : v) printf("%lld ", it); puts("");
void solve() {
	int n;
	scanf("%d", &n);
	vpi v(n);
	for (auto& it : v)
		scanf("%d %d", &it.first, &it.second);
	if (n == 2)
		puts(abs(v[0].first - v[1].first) <= (v[1].second - v[0].second) || abs(v[0].first - v[1].first) <= (v[0].second - v[1].second) ? "1" : "2");
	else
		cout << n << endl;
}
int t = 1;
int main() {
	//#ifndef ONLINE_JUDGE
	//	freopen("input.txt", "r", stdin);
	//#endif
		//scanf("%d", &t);
	while (t--) solve();
}

컴파일 시 표준 에러 (stderr) 메시지

lightningrod.cpp: In function 'void solve()':
lightningrod.cpp:30:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
lightningrod.cpp:33:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |   scanf("%d %d", &it.first, &it.second);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 7 / 7
• Subtask 3: 0 / 12
• Subtask 4: 0 / 21
• Subtask 5: 0 / 26
• Subtask 6: 0 / 10
• Subtask 7: 0 / 20