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답안 #89798

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
89798 2018-12-18T12:27:57 Z Atashka01 별들과 삼각형 (IZhO11_triangle) C++11
100 / 100
 594 ms 6140 KB 
//Euzibillahiminesseytanirracim Bismillahirrahmanirrahim

/*
ID:
TASK:
LANG: C++
*/

#include <bits/stdc++.h>
#define pb push_back
#define ll long long
#define ff first
#define ss second
#define mp make_pair
#define PII pair<int,int>
#define inf 1000000001
using namespace std;

map<int,int> m , p;

int n, x[300001], y[300001], ans;

int main()
{
	
	cin>>n;
	
	for(int i=1;i<=n;i++){
		
		scanf("%d%d", &x[i], &y[i]);
		
		m[x[i]]++;
		p[y[i]]++;
		
	}
	
	for(int i=1;i<=n;i++){
		
		ans += (m[x[i]] - 1)*(p[y[i]] - 1);
		
	}
	
	printf("%d\n", ans);
	
}

/*

_________oBBBBB8o   oBBBBBBB8
_____o8BBBBBBBBBBB  BBBBBBBBB8        o88o
___o8BBBBBB**8BBBB  BBBBBBBBBB     oBBBBBBBo
__oBBBBBBB*   ***   BBBBBBBBBB     BBBBBBBBBBo
_8BBBBBBBBBBooooo   *BBBBBBB8      *BB* 8BBBBBBo
_8BBBBBBBBBBBBBBBB8ooBBBBBBB8           8BBBBBBB8
__*BBBBBBBBBBBBBBBBBBBBBBBBBB8 o88BB88BBBBBBBBBBBB
____*BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB8
______**8BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB*
___________*BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB8*
____________*BBBBBBBBBBBBBBBBBBBBBBBB8888**
_____________BBBBBBBBBBBBBBBBBBBBBBB*
_____________*BBBBBBBBBBBBBBBBBBBBB*
______________*BBBBBBBBBBBBBBBBBB8
_______________*BBBBBBBBBBBBBBBB*
________________8BBBBBBBBBBBBBBB8
_________________8BBBBBBBBBBBBBBBo
__________________BBBBBBBBBBBBBBB8
__________________BBBBBBBBBBBBBBBB
__________________8BBBBBBBBBBBBBBB8
__________________*BBBBBBBBBBBBBBBB
__________________8BBBBBBBBBBBBBBBB8
_________________oBBBBBBBBBBBBBBBBBB
________________oBBBBBBBBBBBBBBBBBBB
________________BBBBBBBBBBBBBBBBBBBB
_______________8BBBBBBBBBBBBBBBBBBB8
______________oBBBBBBBBB88BBBBBBBBB8
______________8BBBBBBBBB*8BBBBBBBBB*
______________BBBBBBBBB* BBBBBBBBB8
______________BBBBBBBB8 oBBBBBBBBB*
______________8BBBBBBB  oBBBBBBBB*
______________BBBBBBB*  8BBBBBBB*
_____________8BBBBBB*   BBBBBBB*
____________8BBBBBB8   oBBBBBB8
___________8BBBBBB8    8BBBBBB*
__________oBBBBBB8    BBBBBBB8
__________BBBBBBB8   BBBBBBBB*
_________oBBBBBBB8   BBBBBBBB
_________8BBBBBB8    BBBBBBB*
_________BBBBBB*     8BBBBB*
________oBBBB8       BBBBB*
________oBBB8        BBBB*
________BBBB8       8BBBBo
_______8BBBB*      oBBBBBBo
______8BBBB*       *BBBBBBBB8o
______BBBBB*            *88BBBo
*/

Compilation message

triangle.cpp: In function 'int main()':
triangle.cpp:30:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &x[i], &y[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 472 KB Output is correct
3 Correct 4 ms 472 KB Output is correct
4 Correct 2 ms 472 KB Output is correct
5 Correct 2 ms 472 KB Output is correct
6 Correct 2 ms 532 KB Output is correct
7 Correct 2 ms 628 KB Output is correct
8 Correct 2 ms 628 KB Output is correct
9 Correct 2 ms 628 KB Output is correct
10 Correct 2 ms 628 KB Output is correct
11 Correct 3 ms 648 KB Output is correct
12 Correct 11 ms 1000 KB Output is correct
13 Correct 10 ms 1180 KB Output is correct
14 Correct 17 ms 1320 KB Output is correct
15 Correct 213 ms 4264 KB Output is correct
16 Correct 241 ms 4292 KB Output is correct
17 Correct 179 ms 4304 KB Output is correct
18 Correct 167 ms 4348 KB Output is correct
19 Correct 535 ms 5788 KB Output is correct
20 Correct 358 ms 5788 KB Output is correct
21 Correct 594 ms 6052 KB Output is correct
22 Correct 553 ms 6140 KB Output is correct