oj.uz

Submission #121854

# Submission time Handle Problem Language Result Execution time Memory
121854 2019-06-27T06:52:59 Z TuGSGeReL Ideal city (IOI12_city) C++14
0 / 100
 22 ms 1272 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>

using namespace std;
using namespace __gnu_pbds;

#define ll long long
#define mp make_pair
#define pub push_back
#define pob pop_back()
#define ss second
#define ff first
#define mt make_tuple
#define pof pop_front()
#define fbo find_by_order
#define ook order_of_key
#define lb lower_bound
#define ub upper_bound
#define inbuf_len 1 << 16
#define outbuf_len 1 << 16

typedef tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
using pll = pair <ll, ll>;
using pii = pair <int, int>;

int cx[100001], cy[100001], mod = 1e9;

int DistanceSum(int n, int *x, int *y) {
	int mnx = INT_MAX, mny = INT_MAX;
	
	for (int i = 0; i < n; i++)
	{
		mnx = min(mnx, x[i]);
		mny = min(mny, y[i]);
	}
	
	for (int i = 0; i < n; i++)
	{
		x[i] -= mnx;
		y[i] -= mny;
	}
	
	if ( n <= 0 )
	{
		
	} else {
		for (int i = 0; i < n; i++)
		{
			cx[x[i]]++;
			cy[y[i]]++;
		}
		
		int sx = 0, ans = 0, sy = 0, ssx = 0, ssy = 0;
		
		for (int i = n; i >= 0; i--)
		{
			ans = (ans + ((ssx * cx[i]) % mod + (cy[i] * ssy) % mod) % mod) % mod;
			sy = (sy + cy[i]) % mod;
			sx = (sx + cx[i]) % mod;
			ssx = (ssx + sx) % mod;
			ssy = (ssy + sy) % mod;
		}
		
		return ans;
	}
}
//
//int main() {
//  int tmp;
//
//  int N, i;
//  scanf("%d", &N);
//
//  int sq_x[100001], sq_y[100001];
//  for (i = 0; i < N; i++) {
//    tmp = scanf("%d %d", &sq_x[i], &sq_y[i]);
//  }
//
//  int ds = DistanceSum(N, sq_x, sq_y);
//  printf("%d\n", ds);
//
//  return 0;
//
//}

Compilation message

city.cpp: In function 'int DistanceSum(int, int*, int*)':
city.cpp:66:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 460 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 512 KB Output is correct
2 Correct 6 ms 512 KB Output is correct
3 Correct 12 ms 768 KB Output is correct
4 Correct 12 ms 768 KB Output is correct
5 Incorrect 22 ms 1272 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 512 KB Output isn't correct
2 Halted 0 ms 0 KB -