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답안 #62045

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
62045 2018-07-27T09:41:23 Z Mahmoud_Adel 운세 보기 2 (JOI14_fortune_telling2) C++14
4 / 100
 3000 ms 5100 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/detail/standard_policies.hpp>
#include <ext/pb_ds/assoc_container.hpp> // Common file
#include <ext/pb_ds/tree_policy.hpp> // Including tree_order_statistics_node_update


#define f first
#define s second
#define pb push_back
#define mp make_pair
#define clr(dp,i) memset(dp,i,sizeof(dp))
#define opt     ios_base::sync_with_stdio(NULL);cin.tie(NULL);cout.tie(NULL);
#define inf 0x3f3f3f3f
using namespace std;
using namespace __gnu_pbds;
//typedef tree<int, null_type, less<int>, rb_t_tag,
//t_order_statistics_node_update> oset;
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef pair<int, int> pii;
const long long mod = 1e9+7;
const ld pi = 3.14159265358979323846264338327950288;
//==================================================
const int N = 2e5+1;
ll n, k, q, a[N], b[N], sz[4*N][2];
ll t[4*N][2], mn[4*N][2], mx[4*N][2];
void build(int l, int r, int id)
{
	if(l == r)
	{
		sz[id][0] = a[l];
		sz[id][1] = b[l];
		mn[id][0] = a[l], mx[id][0] = a[l];
		mn[id][1] = b[l], mx[id][1] = b[l];
		return ;
	}
	int mid = (l+r)/2;
	build(l, mid, id*2);
	build(mid+1, r, id*2+1);
	mn[id][0] = min(mn[id*2][0], mn[id*2+1][0]);
	mn[id][1] = min(mn[id*2][1], mn[id*2+1][1]);
	mx[id][0] = max(mx[id*2][0], mx[id*2+1][0]);
	mx[id][1] = max(mx[id*2][1], mx[id*2+1][1]);
	sz[id][0] = sz[id*2][0] + sz[id*2+1][0];
	sz[id][1] = sz[id*2][1] + sz[id*2+1][1];
}
void query(int l, int r, int id, ll x)
{
	if(t[id][0])
	{
		t[id][0] = 0;
		swap(mn[id][0], mn[id][1]);
		swap(mx[id][0], mx[id][1]);
		swap(sz[id][0], sz[id][1]);
		if(l != r)
		t[id*2][0] ^= 1, t[id*2+1][0] ^= 1;
	}
	if(mn[id][0] > x)
	return;
	if(mx[id][0] <= x)
	{
		swap(mx[id][0], mx[id][1]);
		swap(mn[id][0], mn[id][1]);
		swap(sz[id][0], sz[id][1]);
		if(l != r)
		t[id*2][0] ^= 1, t[id*2+1][0] ^= 1;
		return ;
	}
	int mid = (l+r)>>1;
	query(l, mid, id*2, x);
	query(mid+1, r, id*2+1, x);
	mn[id][0] = min(mn[id*2][0], mn[id*2+1][0]);
	mn[id][1] = min(mn[id*2][1], mn[id*2+1][1]);
	mx[id][0] = max(mx[id*2][0], mx[id*2+1][0]);
	mx[id][1] = max(mx[id*2][1], mx[id*2+1][1]);
	sz[id][0] = sz[id*2][0] + sz[id*2+1][0];
	sz[id][1] = sz[id*2][1] + sz[id*2+1][1];
}
int main()
{
	scanf("%lld %lld", &n, &q);
	for(int i=0; i<n; i++)
	scanf("%lld %lld", &a[i], &b[i]);
	build(0, n-1, 1);
	//print(0, n-1, 1);
	//cout << sum << endl;
	while(q--)
	{
		ll x;
		scanf("%lld", &x);
		query(0, n-1, 1, x);
	}
	printf("%lld\n", sz[1][0]);
}

Compilation message

fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:82:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld", &n, &q);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:84:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld", &a[i], &b[i]);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:91:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &x);
   ~~~~~^~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 376 KB Output is correct
2 Correct 10 ms 708 KB Output is correct
3 Correct 24 ms 708 KB Output is correct
4 Correct 18 ms 708 KB Output is correct
5 Correct 23 ms 728 KB Output is correct
6 Correct 15 ms 728 KB Output is correct
7 Correct 25 ms 768 KB Output is correct
8 Correct 10 ms 768 KB Output is correct
9 Correct 4 ms 768 KB Output is correct
10 Correct 5 ms 768 KB Output is correct
11 Correct 21 ms 768 KB Output is correct
12 Correct 17 ms 768 KB Output is correct
13 Correct 21 ms 768 KB Output is correct

Subtask #2
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 376 KB Output is correct
2 Correct 10 ms 708 KB Output is correct
3 Correct 24 ms 708 KB Output is correct
4 Correct 18 ms 708 KB Output is correct
5 Correct 23 ms 728 KB Output is correct
6 Correct 15 ms 728 KB Output is correct
7 Correct 25 ms 768 KB Output is correct
8 Correct 10 ms 768 KB Output is correct
9 Correct 4 ms 768 KB Output is correct
10 Correct 5 ms 768 KB Output is correct
11 Correct 21 ms 768 KB Output is correct
12 Correct 17 ms 768 KB Output is correct
13 Correct 21 ms 768 KB Output is correct
14 Correct 2053 ms 2860 KB Output is correct
15 Execution timed out 3018 ms 5100 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 376 KB Output is correct
2 Correct 10 ms 708 KB Output is correct
3 Correct 24 ms 708 KB Output is correct
4 Correct 18 ms 708 KB Output is correct
5 Correct 23 ms 728 KB Output is correct
6 Correct 15 ms 728 KB Output is correct
7 Correct 25 ms 768 KB Output is correct
8 Correct 10 ms 768 KB Output is correct
9 Correct 4 ms 768 KB Output is correct
10 Correct 5 ms 768 KB Output is correct
11 Correct 21 ms 768 KB Output is correct
12 Correct 17 ms 768 KB Output is correct
13 Correct 21 ms 768 KB Output is correct
14 Correct 2053 ms 2860 KB Output is correct
15 Execution timed out 3018 ms 5100 KB Time limit exceeded
16 Halted 0 ms 0 KB -