Submission #373817

#	Time	Username	Problem	Language	Result	Execution time	Memory
373817		guka415	Lightning Rod (NOI18_lightningrod)	C++14	0 / 100	2098 ms	262148 KiB

Main

#define fast ios::sync_with_stdio(false); cin.tie(0)
#define foru(i, k, n) for (int i = k; i < n; i++)
#define ford(i, k, n) for (int i = k; i >= n; i--)
#define pb push_back
#define ff first
#define ss second 

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <unordered_map>

using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;


const int sz = 1e7 + 5;
int n;
pii pts[sz];
unordered_map<int, int> um;

int main() {
	//fast;
	scanf("%d", &n);
	foru(i, 0, n) {
		scanf("%d %d", &pts[i].ff, &pts[i].ss);
		um[pts[i].ff + pts[i].ss]++;
	}
	cout << n;
	return 0;
}

Compilation message (stderr)

lightningrod.cpp: In function 'int main()':
lightningrod.cpp:28:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   28 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
lightningrod.cpp:30:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   30 |   scanf("%d %d", &pts[i].ff, &pts[i].ss);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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