oj.uz

Submission #411072

# Submission time Handle Problem Language Result Execution time Memory
411072 2021-05-24T09:01:34 Z jamezzz Construction of Highway (JOI18_construction) C++14
16 / 100
 2000 ms 4872 KB 
#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#include <ext/rope>
using namespace __gnu_cxx;

typedef tree<long long, null_type, less<long long>,
rb_tree_tag, tree_order_statistics_node_update> pbds;
//less_equal for identical elements

#define DEBUG

#ifdef DEBUG
#define debug(...) printf(__VA_ARGS__);
#else
#define debug(...)
#endif
#define sf scanf
#define pf printf
#define fi first
#define se second
#define pb emplace_back
#define sz(x) (int)x.size()
#define mnto(x,y) x=min(x,(__typeof__(x))y)
#define mxto(x,y) x=max(x,(__typeof__(x))y)
#define INF 1023456789
#define LINF 1023456789123456789
#define all(x) x.begin(), x.end()
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef tuple<int, int, int> iii;
typedef tuple<int, int, int, int> iiii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<pll> vll;

int n,c[100005],a,b,p[100005],ft[100005];
vii v;

void up(int x,int v){
	while(x<=n)ft[x]+=v,x+=x&-x;
}
int qry(int x){
	int res=0;
	while(x)res+=ft[x],x-=x&-x;
	return res;
}

int main(){
	sf("%d",&n);
	for(int i=1;i<=n;++i){
		sf("%d",&c[i]);
		v.pb(c[i],i);
	}
	sort(all(v));
	int cnt=0,pv=-1;
	for(int i=0;i<n;++i){
		if(v[i].fi!=pv)++cnt,pv=v[i].fi;
		c[v[i].se]=cnt;
	}
	p[1]=-1;
	for(int i=1;i<n;++i){
		sf("%d%d",&a,&b);
		memset(ft,0,sizeof ft);
		p[b]=a;
		ll ans=0;
		while(a!=-1){
			ans+=qry(c[a]);
			up(c[a]+1,1);
			c[a]=c[b];
			a=p[a];
		}
		pf("%lld\n",ans);
	}
}

Compilation message

construction.cpp: In function 'int main()':
construction.cpp:54:4: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |  sf("%d",&n);
      |    ^
construction.cpp:56:5: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   56 |   sf("%d",&c[i]);
      |     ^
construction.cpp:67:5: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   67 |   sf("%d%d",&a,&b);
      |     ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 2 ms 588 KB Output is correct
4 Correct 6 ms 720 KB Output is correct
5 Correct 8 ms 724 KB Output is correct
6 Correct 8 ms 724 KB Output is correct
7 Correct 8 ms 720 KB Output is correct
8 Correct 10 ms 700 KB Output is correct
9 Correct 12 ms 840 KB Output is correct
10 Correct 11 ms 724 KB Output is correct
11 Correct 9 ms 716 KB Output is correct
12 Correct 9 ms 716 KB Output is correct
13 Correct 9 ms 724 KB Output is correct
14 Correct 9 ms 716 KB Output is correct
15 Correct 8 ms 720 KB Output is correct
16 Correct 8 ms 716 KB Output is correct
17 Correct 8 ms 720 KB Output is correct
18 Correct 8 ms 720 KB Output is correct
19 Correct 9 ms 716 KB Output is correct
20 Correct 10 ms 716 KB Output is correct
21 Correct 9 ms 696 KB Output is correct
22 Correct 8 ms 716 KB Output is correct
23 Correct 8 ms 716 KB Output is correct
24 Correct 9 ms 696 KB Output is correct
25 Correct 8 ms 720 KB Output is correct
26 Correct 11 ms 716 KB Output is correct
27 Correct 9 ms 692 KB Output is correct
28 Correct 9 ms 720 KB Output is correct
29 Correct 9 ms 716 KB Output is correct
30 Correct 8 ms 692 KB Output is correct
31 Correct 8 ms 588 KB Output is correct
32 Correct 9 ms 716 KB Output is correct
33 Correct 9 ms 692 KB Output is correct
34 Correct 8 ms 716 KB Output is correct
35 Correct 8 ms 716 KB Output is correct
36 Correct 8 ms 716 KB Output is correct
37 Correct 9 ms 716 KB Output is correct
38 Correct 8 ms 716 KB Output is correct
39 Correct 9 ms 716 KB Output is correct
40 Correct 8 ms 716 KB Output is correct
41 Correct 8 ms 588 KB Output is correct
42 Correct 9 ms 716 KB Output is correct
43 Correct 8 ms 716 KB Output is correct
44 Correct 10 ms 720 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 2 ms 588 KB Output is correct
4 Correct 6 ms 720 KB Output is correct
5 Correct 8 ms 724 KB Output is correct
6 Correct 8 ms 724 KB Output is correct
7 Correct 8 ms 720 KB Output is correct
8 Correct 10 ms 700 KB Output is correct
9 Correct 12 ms 840 KB Output is correct
10 Correct 11 ms 724 KB Output is correct
11 Correct 9 ms 716 KB Output is correct
12 Correct 9 ms 716 KB Output is correct
13 Correct 9 ms 724 KB Output is correct
14 Correct 9 ms 716 KB Output is correct
15 Correct 8 ms 720 KB Output is correct
16 Correct 8 ms 716 KB Output is correct
17 Correct 8 ms 720 KB Output is correct
18 Correct 8 ms 720 KB Output is correct
19 Correct 9 ms 716 KB Output is correct
20 Correct 10 ms 716 KB Output is correct
21 Correct 9 ms 696 KB Output is correct
22 Correct 8 ms 716 KB Output is correct
23 Correct 8 ms 716 KB Output is correct
24 Correct 9 ms 696 KB Output is correct
25 Correct 8 ms 720 KB Output is correct
26 Correct 11 ms 716 KB Output is correct
27 Correct 9 ms 692 KB Output is correct
28 Correct 9 ms 720 KB Output is correct
29 Correct 9 ms 716 KB Output is correct
30 Correct 8 ms 692 KB Output is correct
31 Correct 8 ms 588 KB Output is correct
32 Correct 9 ms 716 KB Output is correct
33 Correct 9 ms 692 KB Output is correct
34 Correct 8 ms 716 KB Output is correct
35 Correct 8 ms 716 KB Output is correct
36 Correct 8 ms 716 KB Output is correct
37 Correct 9 ms 716 KB Output is correct
38 Correct 8 ms 716 KB Output is correct
39 Correct 9 ms 716 KB Output is correct
40 Correct 8 ms 716 KB Output is correct
41 Correct 8 ms 588 KB Output is correct
42 Correct 9 ms 716 KB Output is correct
43 Correct 8 ms 716 KB Output is correct
44 Correct 10 ms 720 KB Output is correct
45 Correct 15 ms 716 KB Output is correct
46 Correct 58 ms 844 KB Output is correct
47 Correct 58 ms 844 KB Output is correct
48 Correct 61 ms 868 KB Output is correct
49 Correct 201 ms 844 KB Output is correct
50 Correct 201 ms 844 KB Output is correct
51 Correct 206 ms 844 KB Output is correct
52 Correct 137 ms 840 KB Output is correct
53 Correct 131 ms 844 KB Output is correct
54 Correct 130 ms 844 KB Output is correct
55 Correct 147 ms 844 KB Output is correct
56 Correct 139 ms 844 KB Output is correct
57 Correct 59 ms 968 KB Output is correct
58 Correct 58 ms 828 KB Output is correct
59 Correct 59 ms 844 KB Output is correct
60 Correct 58 ms 860 KB Output is correct
61 Correct 129 ms 844 KB Output is correct
62 Correct 132 ms 844 KB Output is correct
63 Correct 131 ms 844 KB Output is correct
64 Correct 58 ms 716 KB Output is correct
65 Correct 57 ms 716 KB Output is correct
66 Correct 58 ms 840 KB Output is correct
67 Correct 59 ms 820 KB Output is correct
68 Correct 235 ms 816 KB Output is correct
69 Correct 135 ms 836 KB Output is correct
70 Correct 142 ms 812 KB Output is correct
71 Correct 152 ms 828 KB Output is correct
72 Correct 58 ms 716 KB Output is correct
73 Correct 59 ms 840 KB Output is correct
74 Correct 143 ms 716 KB Output is correct
75 Correct 98 ms 844 KB Output is correct
76 Correct 83 ms 844 KB Output is correct
77 Correct 84 ms 844 KB Output is correct
78 Correct 103 ms 936 KB Output is correct
79 Correct 88 ms 716 KB Output is correct
80 Correct 81 ms 812 KB Output is correct
81 Correct 98 ms 844 KB Output is correct
82 Correct 84 ms 844 KB Output is correct
83 Correct 79 ms 844 KB Output is correct
84 Correct 101 ms 824 KB Output is correct
85 Correct 87 ms 716 KB Output is correct
86 Correct 81 ms 812 KB Output is correct

Subtask #3
0 / 84.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 2 ms 588 KB Output is correct
4 Correct 6 ms 720 KB Output is correct
5 Correct 8 ms 724 KB Output is correct
6 Correct 8 ms 724 KB Output is correct
7 Correct 8 ms 720 KB Output is correct
8 Correct 10 ms 700 KB Output is correct
9 Correct 12 ms 840 KB Output is correct
10 Correct 11 ms 724 KB Output is correct
11 Correct 9 ms 716 KB Output is correct
12 Correct 9 ms 716 KB Output is correct
13 Correct 9 ms 724 KB Output is correct
14 Correct 9 ms 716 KB Output is correct
15 Correct 8 ms 720 KB Output is correct
16 Correct 8 ms 716 KB Output is correct
17 Correct 8 ms 720 KB Output is correct
18 Correct 8 ms 720 KB Output is correct
19 Correct 9 ms 716 KB Output is correct
20 Correct 10 ms 716 KB Output is correct
21 Correct 9 ms 696 KB Output is correct
22 Correct 8 ms 716 KB Output is correct
23 Correct 8 ms 716 KB Output is correct
24 Correct 9 ms 696 KB Output is correct
25 Correct 8 ms 720 KB Output is correct
26 Correct 11 ms 716 KB Output is correct
27 Correct 9 ms 692 KB Output is correct
28 Correct 9 ms 720 KB Output is correct
29 Correct 9 ms 716 KB Output is correct
30 Correct 8 ms 692 KB Output is correct
31 Correct 8 ms 588 KB Output is correct
32 Correct 9 ms 716 KB Output is correct
33 Correct 9 ms 692 KB Output is correct
34 Correct 8 ms 716 KB Output is correct
35 Correct 8 ms 716 KB Output is correct
36 Correct 8 ms 716 KB Output is correct
37 Correct 9 ms 716 KB Output is correct
38 Correct 8 ms 716 KB Output is correct
39 Correct 9 ms 716 KB Output is correct
40 Correct 8 ms 716 KB Output is correct
41 Correct 8 ms 588 KB Output is correct
42 Correct 9 ms 716 KB Output is correct
43 Correct 8 ms 716 KB Output is correct
44 Correct 10 ms 720 KB Output is correct
45 Correct 15 ms 716 KB Output is correct
46 Correct 58 ms 844 KB Output is correct
47 Correct 58 ms 844 KB Output is correct
48 Correct 61 ms 868 KB Output is correct
49 Correct 201 ms 844 KB Output is correct
50 Correct 201 ms 844 KB Output is correct
51 Correct 206 ms 844 KB Output is correct
52 Correct 137 ms 840 KB Output is correct
53 Correct 131 ms 844 KB Output is correct
54 Correct 130 ms 844 KB Output is correct
55 Correct 147 ms 844 KB Output is correct
56 Correct 139 ms 844 KB Output is correct
57 Correct 59 ms 968 KB Output is correct
58 Correct 58 ms 828 KB Output is correct
59 Correct 59 ms 844 KB Output is correct
60 Correct 58 ms 860 KB Output is correct
61 Correct 129 ms 844 KB Output is correct
62 Correct 132 ms 844 KB Output is correct
63 Correct 131 ms 844 KB Output is correct
64 Correct 58 ms 716 KB Output is correct
65 Correct 57 ms 716 KB Output is correct
66 Correct 58 ms 840 KB Output is correct
67 Correct 59 ms 820 KB Output is correct
68 Correct 235 ms 816 KB Output is correct
69 Correct 135 ms 836 KB Output is correct
70 Correct 142 ms 812 KB Output is correct
71 Correct 152 ms 828 KB Output is correct
72 Correct 58 ms 716 KB Output is correct
73 Correct 59 ms 840 KB Output is correct
74 Correct 143 ms 716 KB Output is correct
75 Correct 98 ms 844 KB Output is correct
76 Correct 83 ms 844 KB Output is correct
77 Correct 84 ms 844 KB Output is correct
78 Correct 103 ms 936 KB Output is correct
79 Correct 88 ms 716 KB Output is correct
80 Correct 81 ms 812 KB Output is correct
81 Correct 98 ms 844 KB Output is correct
82 Correct 84 ms 844 KB Output is correct
83 Correct 79 ms 844 KB Output is correct
84 Correct 101 ms 824 KB Output is correct
85 Correct 87 ms 716 KB Output is correct
86 Correct 81 ms 812 KB Output is correct
87 Correct 146 ms 1172 KB Output is correct
88 Correct 446 ms 1856 KB Output is correct
89 Correct 1522 ms 4844 KB Output is correct
90 Correct 1515 ms 4872 KB Output is correct
91 Correct 1473 ms 4844 KB Output is correct
92 Execution timed out 2048 ms 3772 KB Time limit exceeded
93 Halted 0 ms 0 KB -