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Submission #205690

# Submission time Handle Problem Language Result Execution time Memory
205690 2020-02-29T13:37:05 Z GioChkhaidze Fortune Telling 2 (JOI14_fortune_telling2) C++14
100 / 100
 1110 ms 50300 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]];
	}	
	
	printf("%lld\n",ans);
}

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 5 ms 504 KB Output is correct
2 Correct 6 ms 504 KB Output is correct
3 Correct 6 ms 632 KB Output is correct
4 Correct 7 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 7 ms 632 KB Output is correct
8 Correct 7 ms 632 KB Output is correct
9 Correct 6 ms 608 KB Output is correct
10 Correct 6 ms 504 KB Output is correct
11 Correct 6 ms 504 KB Output is correct
12 Correct 6 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 5 ms 504 KB Output is correct
2 Correct 6 ms 504 KB Output is correct
3 Correct 6 ms 632 KB Output is correct
4 Correct 7 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 7 ms 632 KB Output is correct
8 Correct 7 ms 632 KB Output is correct
9 Correct 6 ms 608 KB Output is correct
10 Correct 6 ms 504 KB Output is correct
11 Correct 6 ms 504 KB Output is correct
12 Correct 6 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 64 ms 5068 KB Output is correct
16 Correct 96 ms 7664 KB Output is correct
17 Correct 137 ms 9688 KB Output is correct
18 Correct 139 ms 9712 KB Output is correct
19 Correct 135 ms 9324 KB Output is correct
20 Correct 133 ms 9712 KB Output is correct
21 Correct 128 ms 9328 KB Output is correct
22 Correct 93 ms 7152 KB Output is correct
23 Correct 83 ms 5464 KB Output is correct
24 Correct 69 ms 4720 KB Output is correct
25 Correct 84 ms 7664 KB Output is correct
26 Correct 85 ms 6768 KB Output is correct
27 Correct 100 ms 7408 KB Output is correct
28 Correct 91 ms 7280 KB Output is correct
29 Correct 107 ms 8608 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 504 KB Output is correct
2 Correct 6 ms 504 KB Output is correct
3 Correct 6 ms 632 KB Output is correct
4 Correct 7 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 7 ms 632 KB Output is correct
8 Correct 7 ms 632 KB Output is correct
9 Correct 6 ms 608 KB Output is correct
10 Correct 6 ms 504 KB Output is correct
11 Correct 6 ms 504 KB Output is correct
12 Correct 6 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 64 ms 5068 KB Output is correct
16 Correct 96 ms 7664 KB Output is correct
17 Correct 137 ms 9688 KB Output is correct
18 Correct 139 ms 9712 KB Output is correct
19 Correct 135 ms 9324 KB Output is correct
20 Correct 133 ms 9712 KB Output is correct
21 Correct 128 ms 9328 KB Output is correct
22 Correct 93 ms 7152 KB Output is correct
23 Correct 83 ms 5464 KB Output is correct
24 Correct 69 ms 4720 KB Output is correct
25 Correct 84 ms 7664 KB Output is correct
26 Correct 85 ms 6768 KB Output is correct
27 Correct 100 ms 7408 KB Output is correct
28 Correct 91 ms 7280 KB Output is correct
29 Correct 107 ms 8608 KB Output is correct
30 Correct 264 ms 17132 KB Output is correct
31 Correct 425 ms 24896 KB Output is correct
32 Correct 629 ms 31808 KB Output is correct
33 Correct 1102 ms 50300 KB Output is correct
34 Correct 219 ms 14956 KB Output is correct
35 Correct 1075 ms 50012 KB Output is correct
36 Correct 1110 ms 50064 KB Output is correct
37 Correct 1071 ms 50280 KB Output is correct
38 Correct 1086 ms 47836 KB Output is correct
39 Correct 1090 ms 50140 KB Output is correct
40 Correct 926 ms 47716 KB Output is correct
41 Correct 1069 ms 48088 KB Output is correct
42 Correct 1091 ms 49140 KB Output is correct
43 Correct 533 ms 46556 KB Output is correct
44 Correct 547 ms 46812 KB Output is correct
45 Correct 539 ms 47068 KB Output is correct
46 Correct 482 ms 27544 KB Output is correct
47 Correct 396 ms 20444 KB Output is correct
48 Correct 640 ms 34268 KB Output is correct
49 Correct 626 ms 34140 KB Output is correct