oj.uz

Submission #306165

# Submission time Handle Problem Language Result Execution time Memory
306165 2020-09-24T18:40:59 Z cheetose Arranging Shoes (IOI19_shoes) C++17
100 / 100
 111 ms 15180 KB 
#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define X first
#define Y second
#define y0 y12
#define y1 y22
#define INF 987654321987654321
#define PI 3.141592653589793238462643383279502884
#define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
#define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c))
#define MEM0(a) memset((a),0,sizeof(a));
#define MEM_1(a) memset((a),-1,sizeof(a));
#define ALL(a) a.begin(),a.end()
#define SYNC ios_base::sync_with_stdio(false);cin.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef double db;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int, int> Pi;
typedef pair<ll, ll> Pll;
typedef pair<ld, ld> Pd;
typedef vector<int> Vi;
typedef vector<ll> Vll;
typedef vector<db> Vd;
typedef vector<Pi> VPi;
typedef vector<Pll> VPll;
typedef vector<Pd> VPd;
typedef tuple<int, int, int> iii;
typedef tuple<int, int, int, int> iiii;
typedef tuple<ll, ll, ll> LLL;
typedef vector<iii> Viii;
typedef vector<LLL> VLLL;
typedef complex<double> base;
const int MOD = 998244353;
ll POW(ll a, ll b, ll MMM = MOD) { ll ret = 1; for (; b; b >>= 1, a = (a*a) % MMM)if (b & 1)ret = (ret*a) % MMM; return ret; }
ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }
ll lcm(ll a, ll b) { if (a == 0 || b == 0)return a + b; return a*(b / gcd(a, b)); }
int dx[] = { 0,1,0,-1,1,1,-1,-1 }, dy[] = { 1,0,-1,0,1,-1,1,-1 };
int ddx[] = { -1,-2,1,-2,2,-1,2,1 }, ddy[] = { -2,-1,-2,1,-1,2,1,2 };

Vi p[100001],m[100001];
bool chk[200000];
int tree[200005],n;
void upd(int i, int k)
{
	i++;
	while (i <= 2*n)
	{
		tree[i] += k;
		i += (i&-i);
	}
}
int sum(int i)
{
	i++;
	int c = 0;
	while (i > 0)
	{
		c += tree[i];
		i -= (i&-i);
	}
	return c;
}
ll count_swaps(Vi a){
	n=a.size()/2;
	fdn(i,2*n-1,0,1){
		if(a[i]>0)p[a[i]].pb(i);
		else m[-a[i]].pb(i);
	}
	ll res=0;
	fup(i,0,2*n-1,1){
		if(chk[i])continue;
		if(a[i]>0){
			while(chk[m[a[i]].back()])m[a[i]].pop_back();
			int j=m[a[i]].back();
			int t=j-i;
			t-=sum(j)-sum(i);
			res+=t;
			chk[i]=chk[j]=1;
			upd(i,1);upd(j,1);
		}else{
			while(chk[p[-a[i]].back()])p[-a[i]].pop_back();
			int j=p[-a[i]].back();
			int t=j-i-1;
			t-=sum(j)-sum(i);
			res+=t;
			chk[i]=chk[j]=1;
			upd(i,1);upd(j,1);
		}
	}
	return res;
}/*
int main() {
	int n;
	scanf("%d",&n);
	Vi v(2*n);
	fup(i,0,2*n-1,1)scanf("%d",&v[i]);
	printf("%lld\n",count_swaps(v));
}*/

Compilation message

shoes.cpp: In function 'll count_swaps(Vi)':
shoes.cpp:11:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   11 | #define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c))
      |                              ^
shoes.cpp:69:2: note: in expansion of macro 'fdn'
   69 |  fdn(i,2*n-1,0,1){
      |  ^~~
shoes.cpp:10:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
shoes.cpp:74:2: note: in expansion of macro 'fup'
   74 |  fup(i,0,2*n-1,1){
      |  ^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 4 ms 4992 KB Output is correct
23 Correct 4 ms 4992 KB Output is correct
24 Correct 4 ms 4992 KB Output is correct
25 Correct 4 ms 5120 KB Output is correct
26 Correct 4 ms 4992 KB Output is correct
27 Correct 4 ms 4992 KB Output is correct
28 Correct 4 ms 4992 KB Output is correct
29 Correct 4 ms 4992 KB Output is correct
30 Correct 3 ms 4992 KB Output is correct
31 Correct 4 ms 4992 KB Output is correct
32 Correct 4 ms 4992 KB Output is correct
33 Correct 4 ms 4992 KB Output is correct
34 Correct 4 ms 4992 KB Output is correct
35 Correct 4 ms 4992 KB Output is correct
36 Correct 4 ms 4992 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 3 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 5040 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 5 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 8 ms 5504 KB Output is correct
21 Correct 8 ms 5504 KB Output is correct
22 Correct 45 ms 9728 KB Output is correct
23 Correct 43 ms 9836 KB Output is correct
24 Correct 45 ms 9748 KB Output is correct
25 Correct 40 ms 9584 KB Output is correct
26 Correct 48 ms 9844 KB Output is correct
27 Correct 42 ms 9708 KB Output is correct
28 Correct 42 ms 9712 KB Output is correct
29 Correct 43 ms 9712 KB Output is correct
30 Correct 42 ms 9712 KB Output is correct
31 Correct 46 ms 9732 KB Output is correct
32 Correct 44 ms 9712 KB Output is correct
33 Correct 40 ms 9588 KB Output is correct
34 Correct 44 ms 9712 KB Output is correct
35 Correct 4 ms 4992 KB Output is correct
36 Correct 4 ms 4992 KB Output is correct
37 Correct 43 ms 9712 KB Output is correct
38 Correct 45 ms 9712 KB Output is correct
39 Correct 43 ms 9840 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 3 ms 4992 KB Output is correct
4 Correct 5 ms 4992 KB Output is correct
5 Correct 75 ms 13816 KB Output is correct
6 Correct 62 ms 8952 KB Output is correct
7 Correct 78 ms 13816 KB Output is correct
8 Correct 44 ms 8500 KB Output is correct
9 Correct 77 ms 13944 KB Output is correct
10 Correct 80 ms 10744 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 4 ms 4992 KB Output is correct
23 Correct 4 ms 4992 KB Output is correct
24 Correct 4 ms 4992 KB Output is correct
25 Correct 4 ms 5120 KB Output is correct
26 Correct 4 ms 4992 KB Output is correct
27 Correct 4 ms 4992 KB Output is correct
28 Correct 4 ms 4992 KB Output is correct
29 Correct 4 ms 4992 KB Output is correct
30 Correct 3 ms 4992 KB Output is correct
31 Correct 4 ms 4992 KB Output is correct
32 Correct 4 ms 4992 KB Output is correct
33 Correct 4 ms 4992 KB Output is correct
34 Correct 4 ms 4992 KB Output is correct
35 Correct 4 ms 4992 KB Output is correct
36 Correct 4 ms 4992 KB Output is correct
37 Correct 4 ms 4992 KB Output is correct
38 Correct 4 ms 4992 KB Output is correct
39 Correct 4 ms 4992 KB Output is correct
40 Correct 4 ms 4992 KB Output is correct
41 Correct 4 ms 5120 KB Output is correct
42 Correct 4 ms 5120 KB Output is correct
43 Correct 5 ms 5120 KB Output is correct
44 Correct 4 ms 5120 KB Output is correct
45 Correct 4 ms 5120 KB Output is correct
46 Correct 6 ms 5120 KB Output is correct
47 Correct 4 ms 5120 KB Output is correct
48 Correct 4 ms 4992 KB Output is correct
49 Correct 4 ms 4992 KB Output is correct
50 Correct 4 ms 4992 KB Output is correct
51 Correct 4 ms 4992 KB Output is correct
52 Correct 4 ms 5120 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 4 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 4 ms 4992 KB Output is correct
23 Correct 4 ms 4992 KB Output is correct
24 Correct 4 ms 4992 KB Output is correct
25 Correct 4 ms 5120 KB Output is correct
26 Correct 4 ms 4992 KB Output is correct
27 Correct 4 ms 4992 KB Output is correct
28 Correct 4 ms 4992 KB Output is correct
29 Correct 4 ms 4992 KB Output is correct
30 Correct 3 ms 4992 KB Output is correct
31 Correct 4 ms 4992 KB Output is correct
32 Correct 4 ms 4992 KB Output is correct
33 Correct 4 ms 4992 KB Output is correct
34 Correct 4 ms 4992 KB Output is correct
35 Correct 4 ms 4992 KB Output is correct
36 Correct 4 ms 4992 KB Output is correct
37 Correct 3 ms 4992 KB Output is correct
38 Correct 4 ms 4992 KB Output is correct
39 Correct 4 ms 5040 KB Output is correct
40 Correct 4 ms 4992 KB Output is correct
41 Correct 4 ms 4992 KB Output is correct
42 Correct 4 ms 4992 KB Output is correct
43 Correct 4 ms 4992 KB Output is correct
44 Correct 4 ms 4992 KB Output is correct
45 Correct 5 ms 4992 KB Output is correct
46 Correct 4 ms 4992 KB Output is correct
47 Correct 4 ms 4992 KB Output is correct
48 Correct 4 ms 4992 KB Output is correct
49 Correct 4 ms 4992 KB Output is correct
50 Correct 4 ms 4992 KB Output is correct
51 Correct 4 ms 4992 KB Output is correct
52 Correct 4 ms 4992 KB Output is correct
53 Correct 4 ms 4992 KB Output is correct
54 Correct 8 ms 5504 KB Output is correct
55 Correct 8 ms 5504 KB Output is correct
56 Correct 45 ms 9728 KB Output is correct
57 Correct 43 ms 9836 KB Output is correct
58 Correct 45 ms 9748 KB Output is correct
59 Correct 40 ms 9584 KB Output is correct
60 Correct 48 ms 9844 KB Output is correct
61 Correct 42 ms 9708 KB Output is correct
62 Correct 42 ms 9712 KB Output is correct
63 Correct 43 ms 9712 KB Output is correct
64 Correct 42 ms 9712 KB Output is correct
65 Correct 46 ms 9732 KB Output is correct
66 Correct 44 ms 9712 KB Output is correct
67 Correct 40 ms 9588 KB Output is correct
68 Correct 44 ms 9712 KB Output is correct
69 Correct 4 ms 4992 KB Output is correct
70 Correct 4 ms 4992 KB Output is correct
71 Correct 43 ms 9712 KB Output is correct
72 Correct 45 ms 9712 KB Output is correct
73 Correct 43 ms 9840 KB Output is correct
74 Correct 4 ms 4992 KB Output is correct
75 Correct 4 ms 4992 KB Output is correct
76 Correct 3 ms 4992 KB Output is correct
77 Correct 5 ms 4992 KB Output is correct
78 Correct 75 ms 13816 KB Output is correct
79 Correct 62 ms 8952 KB Output is correct
80 Correct 78 ms 13816 KB Output is correct
81 Correct 44 ms 8500 KB Output is correct
82 Correct 77 ms 13944 KB Output is correct
83 Correct 80 ms 10744 KB Output is correct
84 Correct 4 ms 4992 KB Output is correct
85 Correct 4 ms 4992 KB Output is correct
86 Correct 4 ms 4992 KB Output is correct
87 Correct 4 ms 4992 KB Output is correct
88 Correct 4 ms 5120 KB Output is correct
89 Correct 4 ms 5120 KB Output is correct
90 Correct 5 ms 5120 KB Output is correct
91 Correct 4 ms 5120 KB Output is correct
92 Correct 4 ms 5120 KB Output is correct
93 Correct 6 ms 5120 KB Output is correct
94 Correct 4 ms 5120 KB Output is correct
95 Correct 4 ms 4992 KB Output is correct
96 Correct 4 ms 4992 KB Output is correct
97 Correct 4 ms 4992 KB Output is correct
98 Correct 4 ms 4992 KB Output is correct
99 Correct 4 ms 5120 KB Output is correct
100 Correct 4 ms 5120 KB Output is correct
101 Correct 12 ms 5888 KB Output is correct
102 Correct 10 ms 5504 KB Output is correct
103 Correct 111 ms 15124 KB Output is correct
104 Correct 93 ms 15096 KB Output is correct
105 Correct 102 ms 12408 KB Output is correct
106 Correct 81 ms 15096 KB Output is correct
107 Correct 72 ms 10360 KB Output is correct
108 Correct 78 ms 10744 KB Output is correct
109 Correct 44 ms 9776 KB Output is correct
110 Correct 43 ms 9712 KB Output is correct
111 Correct 78 ms 14328 KB Output is correct
112 Correct 103 ms 13688 KB Output is correct
113 Correct 65 ms 10360 KB Output is correct
114 Correct 79 ms 15180 KB Output is correct
115 Correct 79 ms 15096 KB Output is correct