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Submission #39080

# Submission time Handle Problem Language Result Execution time Memory
39080 2018-01-09T08:05:16 Z 14kg Ideal city (IOI12_city) C++11
0 / 100
 1000 ms 2104 KB 
#define MOD 1000000000
#define INF 2147483646
#define min2(x,y) (x<y?x:y)

int n;
int cnt_X[100001], cnt_Y[100001];

int DistanceSum(int _n, int *X, int *Y) {
	n = _n;

	int x_min=INF, y_min=INF;
	long long out = 0, t1, t2, t3;
	for (int i = 0; i < n; i++) x_min = min2(x_min, X[i]), y_min = min2(y_min, Y[i]);
	for (int i = 0; i < n; i++) cnt_X[X[i] - x_min]++, cnt_Y[Y[i] - y_min]++;
	for (int i = 0; i<n; i++)
		for (int j = i + 1; j < n; j++) {
			t1 = cnt_X[i], t2 = cnt_X[j], t3 = j - i;
			out += (t1*t2*t3) % MOD, out %= MOD;
		}
	for (int i = 0; i<n; i++)
		for (int j = i + 1; j < n; j++) {
			t1 = cnt_Y[i], t2 = cnt_Y[j], t3 = j - i;
			out += (t1*t2*t3) % MOD, out %= MOD;
		}


	return (int)out;
}

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 1896 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 2028 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1000 ms 2104 KB Execution timed out
2 Halted 0 ms 0 KB -

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1000 ms 2104 KB Execution timed out
2 Halted 0 ms 0 KB -