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Submission #205689

# Submission time Handle Problem Language Result Execution time Memory
205689 2020-02-29T13:36:30 Z GioChkhaidze Fortune Telling 2 (JOI14_fortune_telling2) C++14
100 / 100
 1127 ms 50060 KB 
#include <bits/stdc++.h>
#define Tree int h,int l,int r
#define Left (h<<1),l,(l+r)>>1
#define Right ((h<<1)|1),((l+r)>>1)+1,r
#define ll long long
#define pb push_back
#define F first
#define S second
using namespace std;
const int Nm=2e5+5;
ll ans;
int n,q,L,R,S;
int l[Nm],r[Nm],t[Nm];
int G[3*Nm],Last[3*Nm],Rf[3*Nm],v[12*Nm];
pair < int , int > Id[Nm];
vector < int > s;
map < int , int > f;

void Build(Tree) {
	if (l==r) { v[h]=Last[l]; return ;}
	Build(Left),Build(Right);
	v[h]=max(v[(h<<1)],v[((h<<1)|1)]);
}

int Get(Tree) {
	if (r<L || R<l) return 0;
	if (L<=l && r<=R) return v[h];
	int x=Get(Left),y=Get(Right);
	return max(x,y);
}

void Up(int x) {
	while (x<=S) {
		G[x]++;
		x+=(x & -x);
	}
}

int Ge(int x) {
	int res=0;
	while (x>0) {
		res+=G[x];
		x-=(x & -x);
	}
	return res;
}

main () {
	scanf("%d%d",&n,&q);
	for (int i=1; i<=n; i++) {
		scanf("%d%d",&l[i],&r[i]);
		s.pb(l[i]),s.pb(r[i]);
	}
	
	for (int i=1; i<=q; i++) {
		scanf("%d",&t[i]);
		s.pb(t[i]);
	}
	
	sort(s.begin(),s.end());
	s.erase(unique(s.begin(),s.end()),s.end());
	
	for (int i=0; i<s.size(); i++) f[s[i]]=i+1,Rf[i+1]=s[i];
	for (int i=1; i<=n; i++) l[i]=f[l[i]],r[i]=f[r[i]];
	for (int i=1; i<=q; i++) t[i]=f[t[i]];
	S=s.size();
	s.clear(),f.clear();
	
	for (int i=1; i<=q; i++) Last[t[i]]=i;
	Build(1,1,S);
	
	for (int i=1; i<=n; i++) {
		L=min(l[i],r[i]),R=max(l[i],r[i])-1;
		Id[i].F=Get(1,1,S),Id[i].S=i;
	}
	
	sort(Id+1,Id+n+1);
	
	int Q=q,tot=0;
	for (int i=n; i>=1; i--) {
		while (Q && Id[i].F<Q) Up(t[Q]),--Q;
		tot=Ge(S)-Ge(max(l[Id[i].S],r[Id[i].S])-1);
		
		if (Id[i].F && l[Id[i].S]<r[Id[i].S]) 
			swap(l[Id[i].S],r[Id[i].S]);

		if (tot%2) 
			ans+=Rf[r[Id[i].S]];
				else 
			ans+=Rf[l[Id[i].S]];
	}	
	
	cout<<ans<<"\n";
}

Compilation message

fortune_telling2.cpp:48:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () {
       ^
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:63:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<s.size(); i++) f[s[i]]=i+1,Rf[i+1]=s[i];
                ~^~~~~~~~~
fortune_telling2.cpp:49:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&q);
  ~~~~~^~~~~~~~~~~~~~
fortune_telling2.cpp:51:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&l[i],&r[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:56:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&t[i]);
   ~~~~~^~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 504 KB Output is correct
2 Correct 6 ms 504 KB Output is correct
3 Correct 7 ms 632 KB Output is correct
4 Correct 6 ms 632 KB Output is correct
5 Correct 7 ms 632 KB Output is correct
6 Correct 7 ms 632 KB Output is correct
7 Correct 8 ms 632 KB Output is correct
8 Correct 7 ms 632 KB Output is correct
9 Correct 6 ms 504 KB Output is correct
10 Correct 6 ms 504 KB Output is correct
11 Correct 6 ms 504 KB Output is correct
12 Correct 7 ms 504 KB Output is correct
13 Correct 6 ms 504 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 504 KB Output is correct
2 Correct 6 ms 504 KB Output is correct
3 Correct 7 ms 632 KB Output is correct
4 Correct 6 ms 632 KB Output is correct
5 Correct 7 ms 632 KB Output is correct
6 Correct 7 ms 632 KB Output is correct
7 Correct 8 ms 632 KB Output is correct
8 Correct 7 ms 632 KB Output is correct
9 Correct 6 ms 504 KB Output is correct
10 Correct 6 ms 504 KB Output is correct
11 Correct 6 ms 504 KB Output is correct
12 Correct 7 ms 504 KB Output is correct
13 Correct 6 ms 504 KB Output is correct
14 Correct 30 ms 2680 KB Output is correct
15 Correct 61 ms 4980 KB Output is correct
16 Correct 94 ms 7664 KB Output is correct
17 Correct 145 ms 9824 KB Output is correct
18 Correct 135 ms 9712 KB Output is correct
19 Correct 151 ms 9236 KB Output is correct
20 Correct 135 ms 9616 KB Output is correct
21 Correct 130 ms 9328 KB Output is correct
22 Correct 87 ms 7024 KB Output is correct
23 Correct 76 ms 5488 KB Output is correct
24 Correct 70 ms 4720 KB Output is correct
25 Correct 86 ms 7664 KB Output is correct
26 Correct 84 ms 6896 KB Output is correct
27 Correct 101 ms 7280 KB Output is correct
28 Correct 88 ms 7280 KB Output is correct
29 Correct 108 ms 8556 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 504 KB Output is correct
2 Correct 6 ms 504 KB Output is correct
3 Correct 7 ms 632 KB Output is correct
4 Correct 6 ms 632 KB Output is correct
5 Correct 7 ms 632 KB Output is correct
6 Correct 7 ms 632 KB Output is correct
7 Correct 8 ms 632 KB Output is correct
8 Correct 7 ms 632 KB Output is correct
9 Correct 6 ms 504 KB Output is correct
10 Correct 6 ms 504 KB Output is correct
11 Correct 6 ms 504 KB Output is correct
12 Correct 7 ms 504 KB Output is correct
13 Correct 6 ms 504 KB Output is correct
14 Correct 30 ms 2680 KB Output is correct
15 Correct 61 ms 4980 KB Output is correct
16 Correct 94 ms 7664 KB Output is correct
17 Correct 145 ms 9824 KB Output is correct
18 Correct 135 ms 9712 KB Output is correct
19 Correct 151 ms 9236 KB Output is correct
20 Correct 135 ms 9616 KB Output is correct
21 Correct 130 ms 9328 KB Output is correct
22 Correct 87 ms 7024 KB Output is correct
23 Correct 76 ms 5488 KB Output is correct
24 Correct 70 ms 4720 KB Output is correct
25 Correct 86 ms 7664 KB Output is correct
26 Correct 84 ms 6896 KB Output is correct
27 Correct 101 ms 7280 KB Output is correct
28 Correct 88 ms 7280 KB Output is correct
29 Correct 108 ms 8556 KB Output is correct
30 Correct 270 ms 17256 KB Output is correct
31 Correct 415 ms 24932 KB Output is correct
32 Correct 629 ms 31844 KB Output is correct
33 Correct 1127 ms 50060 KB Output is correct
34 Correct 222 ms 14952 KB Output is correct
35 Correct 1090 ms 50020 KB Output is correct
36 Correct 1119 ms 50012 KB Output is correct
37 Correct 1096 ms 50012 KB Output is correct
38 Correct 1092 ms 47836 KB Output is correct
39 Correct 1113 ms 50012 KB Output is correct
40 Correct 939 ms 47708 KB Output is correct
41 Correct 1070 ms 48148 KB Output is correct
42 Correct 1062 ms 48988 KB Output is correct
43 Correct 543 ms 46556 KB Output is correct
44 Correct 549 ms 46556 KB Output is correct
45 Correct 563 ms 47088 KB Output is correct
46 Correct 492 ms 27228 KB Output is correct
47 Correct 392 ms 20444 KB Output is correct
48 Correct 654 ms 34304 KB Output is correct
49 Correct 636 ms 34216 KB Output is correct