oj.uz

Submission #364863

# Submission time Handle Problem Language Result Execution time Memory
364863 2021-02-10T10:11:12 Z Bill_00 Fortune Telling 2 (JOI14_fortune_telling2) C++14
4 / 100
 112 ms 30568 KB 
#include <bits/stdc++.h>
#define pb push_back
#define ff first
#define ss second
#define N 200001
typedef long long ll;
const long long MOD=1000000007;
using namespace std;
ll n,k;
ll a[N],b[N],mx[4*N+4];
pair<ll,ll>t[N];
vector<ll>v[4*N+4];
void build(ll id,ll l,ll r){
	if(l==r){
		v[id].pb(-t[l].ss);
		mx[id]=t[l].ss;
		return;
	}
	ll m=l+r>>1;
	build(id*2,l,m);
	build(id*2+1,m+1,r);
	mx[id]=max(mx[id*2],mx[id*2+1]);
	ll i=0,j=0;
	while(i<v[id*2].size() && j<v[id*2+1].size()){
		if(v[id*2][i]<v[id*2+1][j]){
			v[id].pb(v[id*2][i]);
			i++;
		}
		else{
			v[id].pb(v[id*2+1][j]);
			j++;
		}
	}
	while(i<v[id*2].size()){
		v[id].pb(v[id*2][i]);
		i++;
	}
	while(j<v[id*2+1].size()){
		v[id].pb(v[id*2+1][j]);
		j++;
	}
}
ll query1(ll id,ll l,ll r,ll L,ll R){
	if(r<L || R<l) return 0;
	if(L<=l && r<=R) return mx[id];
	ll m=(l+r)>>1;
	return max(query1(id*2,l,m,L,R),query1(id*2+1,m+1,r,L,R));
}
ll query2(ll id,ll l,ll r,ll L,ll R,ll k){

		// cout << v[id].size() << ' ' << l << ' ' << r << '\n';
	if(r<L || R<l) return 0;
	if(L<=l && r<=R){
		return (lower_bound(v[id].begin(),v[id].end(),-k)-v[id].begin());
	}

	ll m=(l+r)>>1;
	return (query2(id*2,l,m,L,R,k)+query2(id*2+1,m+1,r,L,R,k));
}
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin >> n >> k;
	for(ll i=1;i<=n;i++){
		cin >> a[i] >> b[i];
	}
	for(ll i=1;i<=k;i++){
		cin >> t[i].ff;
		t[i].ss=i;
	}
	sort(t+1,t+k+1);
	build(1,1,k);
	ll ans=0;
	for(ll i=1;i<=n;i++){
		pair<ll,ll>temp={min(a[i],b[i]),0};
		ll l=(lower_bound(t+1,t+k+1,temp)-(t+1));
		l++;
		temp={max(a[i],b[i]),0};
		ll r=(lower_bound(t+1,t+k+1,temp)-(t+1));
		if(l>r){
			ans+=(((n-r)%2)?b[i]:a[i]);
		}
		else{
			ll p=query1(1,1,k,l,r);
			ll u=query2(1,1,k,r+1,k,p);
			// cout << r << " SKKSK" << ' ';
			ans+=((u%2)?min(a[i],b[i]):max(a[i],b[i]));
		}
	}
	cout << ans;

}

Compilation message

fortune_telling2.cpp: In function 'void build(ll, ll, ll)':
fortune_telling2.cpp:19:8: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   19 |  ll m=l+r>>1;
      |       ~^~
fortune_telling2.cpp:24:9: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |  while(i<v[id*2].size() && j<v[id*2+1].size()){
      |        ~^~~~~~~~~~~~~~~
fortune_telling2.cpp:24:29: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |  while(i<v[id*2].size() && j<v[id*2+1].size()){
      |                            ~^~~~~~~~~~~~~~~~~
fortune_telling2.cpp:34:9: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |  while(i<v[id*2].size()){
      |        ~^~~~~~~~~~~~~~~
fortune_telling2.cpp:38:9: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |  while(j<v[id*2+1].size()){
      |        ~^~~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 19436 KB Output is correct
2 Correct 15 ms 19308 KB Output is correct
3 Correct 15 ms 19308 KB Output is correct
4 Correct 16 ms 19308 KB Output is correct
5 Correct 15 ms 19308 KB Output is correct
6 Correct 15 ms 19308 KB Output is correct
7 Correct 15 ms 19308 KB Output is correct
8 Correct 14 ms 19308 KB Output is correct
9 Correct 15 ms 19308 KB Output is correct
10 Correct 15 ms 19308 KB Output is correct
11 Correct 15 ms 19308 KB Output is correct
12 Correct 15 ms 19308 KB Output is correct
13 Correct 15 ms 19308 KB Output is correct

Subtask #2
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 19436 KB Output is correct
2 Correct 15 ms 19308 KB Output is correct
3 Correct 15 ms 19308 KB Output is correct
4 Correct 16 ms 19308 KB Output is correct
5 Correct 15 ms 19308 KB Output is correct
6 Correct 15 ms 19308 KB Output is correct
7 Correct 15 ms 19308 KB Output is correct
8 Correct 14 ms 19308 KB Output is correct
9 Correct 15 ms 19308 KB Output is correct
10 Correct 15 ms 19308 KB Output is correct
11 Correct 15 ms 19308 KB Output is correct
12 Correct 15 ms 19308 KB Output is correct
13 Correct 15 ms 19308 KB Output is correct
14 Correct 32 ms 21868 KB Output is correct
15 Correct 57 ms 24684 KB Output is correct
16 Correct 78 ms 25964 KB Output is correct
17 Correct 106 ms 30564 KB Output is correct
18 Correct 108 ms 30460 KB Output is correct
19 Correct 108 ms 30440 KB Output is correct
20 Correct 112 ms 30460 KB Output is correct
21 Correct 91 ms 30440 KB Output is correct
22 Correct 81 ms 30568 KB Output is correct
23 Correct 79 ms 30440 KB Output is correct
24 Correct 92 ms 30460 KB Output is correct
25 Correct 83 ms 30440 KB Output is correct
26 Incorrect 90 ms 30312 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #3
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 19436 KB Output is correct
2 Correct 15 ms 19308 KB Output is correct
3 Correct 15 ms 19308 KB Output is correct
4 Correct 16 ms 19308 KB Output is correct
5 Correct 15 ms 19308 KB Output is correct
6 Correct 15 ms 19308 KB Output is correct
7 Correct 15 ms 19308 KB Output is correct
8 Correct 14 ms 19308 KB Output is correct
9 Correct 15 ms 19308 KB Output is correct
10 Correct 15 ms 19308 KB Output is correct
11 Correct 15 ms 19308 KB Output is correct
12 Correct 15 ms 19308 KB Output is correct
13 Correct 15 ms 19308 KB Output is correct
14 Correct 32 ms 21868 KB Output is correct
15 Correct 57 ms 24684 KB Output is correct
16 Correct 78 ms 25964 KB Output is correct
17 Correct 106 ms 30564 KB Output is correct
18 Correct 108 ms 30460 KB Output is correct
19 Correct 108 ms 30440 KB Output is correct
20 Correct 112 ms 30460 KB Output is correct
21 Correct 91 ms 30440 KB Output is correct
22 Correct 81 ms 30568 KB Output is correct
23 Correct 79 ms 30440 KB Output is correct
24 Correct 92 ms 30460 KB Output is correct
25 Correct 83 ms 30440 KB Output is correct
26 Incorrect 90 ms 30312 KB Output isn't correct
27 Halted 0 ms 0 KB -