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Submission #523768

# Submission time Handle Problem Language Result Execution time Memory
523768 2022-02-08T06:37:51 Z mansur Boat (APIO16_boat) C++17
31 / 100
 2000 ms 113272 KB 
#include<bits/stdc++.h>	
 
#pragma optimize ("g",on)
#pragma GCC optimize ("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")

//01001101 01100001 01101011 01101000 01100001  01100111 01100001 01111001 

using namespace std;

#define all(a) a.begin(), a.end()                                                   
#define rall(a) a.rbegin(), a.rend()
#define ll long long
#define pb push_back
#define sz(a) a.size()
#define nl '\n'
#define popb pop_back()                                                                   
#define ld double
#define ull unsigned long long
#define ff first                                         
#define ss second  
#define fix fixed << setprecision
#define pii pair<int, int>                          
#define E exit (0)
#define int long long
 
const int inf = 1e18, N = 1000001, mod = 1e9 + 7;                    

double eps = 1e-6;

vector<pii> dir = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};

struct node {
	node *l, *r;
	int sum;
	node () {
		l = 0, r = 0, sum = 0;
	}
};

void update(node *u, int tl, int tr, int pos, int val) {
	if (tl == tr) {
		u -> sum = (u -> sum + val) % mod;
		return;
	}
	int mid = (tl + tr) / 2;
	if (!(u -> l)) u -> l = new node();
	if (!(u -> r)) u -> r = new node();
	if (pos <= mid) update(u -> l, tl, mid, pos, val);
	else update(u -> r, mid + 1, tr, pos, val);
	u -> sum = (u -> l -> sum + u -> r -> sum) % mod;
}

int get(node* u, int tl, int tr, int l, int r) {
	if (tl > r || tr < l) return 0;
	if (tl >= l && tr <= r) return u -> sum;
	int mid = (tl + tr) / 2;
	int a = 0, b = 0;
	if (u -> l) a = get(u -> l, tl, mid, l, r);
	if (u -> r) b = get(u -> r, mid + 1, tr, l, r);
	return (a + b) % mod;
}

main() {                                                         
	//freopen("F.in", "r", stdin);                                                                                     
	//freopen("F.out", "w", stdout);                                                                                     
	ios_base::sync_with_stdio(NULL);                                	                                                       
	cin.tie(NULL);
	int n;
	cin >> n;
	int a[n + 1], b[n + 1];
	for (int i = 1; i <= n; i++) {
		cin >> a[i] >> b[i];
	}	
	node *root = new node();
	update(root, 0, inf, 0, 1);
	for (int i = 1; i <= n; i++) {
		for (int cur = b[i]; cur >= a[i]; cur--) {
			update(root, 0, inf, cur, get(root, 0, inf, 0, cur - 1));
		}
	}
	cout << get(root, 0, inf, 1, inf);
}

Compilation message

boat.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    3 | #pragma optimize ("g",on)
      | 
boat.cpp:67:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   67 | main() {
      | ^~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 972 KB Output is correct
2 Correct 2 ms 972 KB Output is correct
3 Correct 2 ms 972 KB Output is correct
4 Correct 2 ms 972 KB Output is correct
5 Correct 2 ms 972 KB Output is correct
6 Correct 3 ms 972 KB Output is correct
7 Correct 2 ms 844 KB Output is correct
8 Correct 2 ms 844 KB Output is correct
9 Correct 2 ms 844 KB Output is correct
10 Correct 3 ms 844 KB Output is correct
11 Correct 2 ms 972 KB Output is correct
12 Correct 2 ms 972 KB Output is correct
13 Correct 2 ms 924 KB Output is correct
14 Correct 2 ms 972 KB Output is correct
15 Correct 2 ms 972 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 972 KB Output is correct
2 Correct 2 ms 972 KB Output is correct
3 Correct 2 ms 972 KB Output is correct
4 Correct 2 ms 972 KB Output is correct
5 Correct 2 ms 972 KB Output is correct
6 Correct 3 ms 972 KB Output is correct
7 Correct 2 ms 844 KB Output is correct
8 Correct 2 ms 844 KB Output is correct
9 Correct 2 ms 844 KB Output is correct
10 Correct 3 ms 844 KB Output is correct
11 Correct 2 ms 972 KB Output is correct
12 Correct 2 ms 972 KB Output is correct
13 Correct 2 ms 924 KB Output is correct
14 Correct 2 ms 972 KB Output is correct
15 Correct 2 ms 972 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 827 ms 628 KB Output is correct
22 Correct 827 ms 636 KB Output is correct
23 Correct 766 ms 760 KB Output is correct
24 Correct 823 ms 632 KB Output is correct
25 Correct 835 ms 640 KB Output is correct
26 Correct 883 ms 648 KB Output is correct
27 Correct 914 ms 628 KB Output is correct
28 Correct 897 ms 536 KB Output is correct
29 Correct 993 ms 564 KB Output is correct
30 Correct 1014 ms 62132 KB Output is correct
31 Correct 1098 ms 61116 KB Output is correct
32 Correct 1066 ms 62340 KB Output is correct
33 Correct 1027 ms 60624 KB Output is correct
34 Correct 1098 ms 61200 KB Output is correct
35 Correct 964 ms 58404 KB Output is correct
36 Correct 968 ms 60436 KB Output is correct
37 Correct 1002 ms 61044 KB Output is correct
38 Correct 951 ms 59072 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2103 ms 113272 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 972 KB Output is correct
2 Correct 2 ms 972 KB Output is correct
3 Correct 2 ms 972 KB Output is correct
4 Correct 2 ms 972 KB Output is correct
5 Correct 2 ms 972 KB Output is correct
6 Correct 3 ms 972 KB Output is correct
7 Correct 2 ms 844 KB Output is correct
8 Correct 2 ms 844 KB Output is correct
9 Correct 2 ms 844 KB Output is correct
10 Correct 3 ms 844 KB Output is correct
11 Correct 2 ms 972 KB Output is correct
12 Correct 2 ms 972 KB Output is correct
13 Correct 2 ms 924 KB Output is correct
14 Correct 2 ms 972 KB Output is correct
15 Correct 2 ms 972 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 827 ms 628 KB Output is correct
22 Correct 827 ms 636 KB Output is correct
23 Correct 766 ms 760 KB Output is correct
24 Correct 823 ms 632 KB Output is correct
25 Correct 835 ms 640 KB Output is correct
26 Correct 883 ms 648 KB Output is correct
27 Correct 914 ms 628 KB Output is correct
28 Correct 897 ms 536 KB Output is correct
29 Correct 993 ms 564 KB Output is correct
30 Correct 1014 ms 62132 KB Output is correct
31 Correct 1098 ms 61116 KB Output is correct
32 Correct 1066 ms 62340 KB Output is correct
33 Correct 1027 ms 60624 KB Output is correct
34 Correct 1098 ms 61200 KB Output is correct
35 Correct 964 ms 58404 KB Output is correct
36 Correct 968 ms 60436 KB Output is correct
37 Correct 1002 ms 61044 KB Output is correct
38 Correct 951 ms 59072 KB Output is correct
39 Execution timed out 2103 ms 113272 KB Time limit exceeded
40 Halted 0 ms 0 KB -