Submission #9802081


Source Code Expand

#include <bits/stdc++.h>
#define Inf 0x3f3f3f3f
#define rg register
using namespace std;
const int Maxn = 1e5 + 5;
typedef long long ll;
typedef ll arr[Maxn];
ll min(ll x, ll y) { return x < y ? x : y; }
ll max(ll x, ll y) { return x > y ? x : y; }
inline ll read()
{
	rg ll res = 0, sign = 1;
	rg char ch = getchar();
	while (!isdigit(ch))
	{
		if (ch == '-')
			sign = -1;
		ch = getchar();
	}
	do
	{
		res = (res << 3) + (res << 1) + (ch ^ 48);
		ch = getchar();
	} while (isdigit(ch));
	return res * sign;
}
int n;
arr siz, fa;
struct str
{
	ll d;
	int id;
	bool operator<(str A) const { return d < A.d; }
} p[Maxn];

int main()
{
	int tmp, now, s;
	cin >> n;
	for (int i = 1; i <= n; i++)
	{
		p[i] = {read(), i};
		siz[i] = 1;
	}
	sort(p + 1, p + n + 1);
	for (int i = n; i > 1; i--)
	{
		now = p[i].id;
		tmp = p[i].d - n + 2 * siz[now];
		fa[now] = p[s = lower_bound(p + 1, p + n + 1, (str){tmp, 0}) - p].id;
		if (p[s].d != tmp)
		{
			puts("-1");
			return 0;
		}
		siz[fa[now]] += siz[now];
	}
	for (int i = 1; i <= n; i++)
		if (fa[i])
			printf("%d %d\n", fa[i], i);
	return 0;
}

Submission Info

Submission Time
Task F - Distance Sums
User hsl2363
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1155 Byte
Status WA
Exec Time 18 ms
Memory 2560 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:60:30: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘ll {aka long long int}’ [-Wformat=]
    printf("%d %d\n", fa[i], i);
                              ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 900
Status
AC × 2
WA × 1
AC × 21
WA × 27
Set Name Test Cases
Sample sample1.txt, sample2.txt, sample3.txt
All sample1.txt, sample2.txt, sample3.txt, 1.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 2.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 3.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 4.txt, 40.txt, 41.txt, 42.txt, 5.txt, 6.txt, 7.txt, 8.txt, 9.txt, sample1.txt, sample2.txt, sample3.txt
Case Name Status Exec Time Memory
1.txt AC 1 ms 256 KB
10.txt WA 17 ms 2560 KB
11.txt AC 17 ms 2560 KB
12.txt AC 17 ms 2560 KB
13.txt AC 17 ms 2560 KB
14.txt WA 17 ms 2560 KB
15.txt WA 17 ms 2560 KB
16.txt WA 17 ms 2560 KB
17.txt WA 17 ms 2560 KB
18.txt AC 17 ms 2560 KB
19.txt WA 17 ms 2560 KB
2.txt AC 1 ms 256 KB
20.txt WA 17 ms 2560 KB
21.txt AC 15 ms 2304 KB
22.txt WA 17 ms 2560 KB
23.txt WA 17 ms 2560 KB
24.txt WA 15 ms 2304 KB
25.txt AC 17 ms 2560 KB
26.txt AC 16 ms 2560 KB
27.txt AC 17 ms 2560 KB
28.txt AC 17 ms 2560 KB
29.txt WA 17 ms 2560 KB
3.txt AC 4 ms 640 KB
30.txt WA 17 ms 2560 KB
31.txt WA 17 ms 2560 KB
32.txt WA 17 ms 2560 KB
33.txt AC 17 ms 2560 KB
34.txt WA 17 ms 2560 KB
35.txt AC 17 ms 2560 KB
36.txt AC 17 ms 2560 KB
37.txt WA 17 ms 2560 KB
38.txt WA 17 ms 2560 KB
39.txt WA 17 ms 2560 KB
4.txt AC 3 ms 512 KB
40.txt WA 17 ms 2560 KB
41.txt WA 17 ms 2560 KB
42.txt WA 14 ms 2176 KB
5.txt AC 18 ms 2432 KB
6.txt WA 17 ms 2560 KB
7.txt WA 17 ms 2560 KB
8.txt WA 17 ms 2560 KB
9.txt WA 17 ms 2560 KB
sample1.txt AC 1 ms 256 KB
sample2.txt WA 1 ms 256 KB
sample3.txt AC 1 ms 256 KB