Submission #500699

# Submission time Handle Problem Language Result Execution time Memory
500699 2021-12-31T19:48:03 Z pooty Rabbit Carrot (LMIO19_triusis) C++17
100 / 100
330 ms 29088 KB
#define REP(i, n) for(int i = 0; i < n; i ++)
#define REPL(i,m, n) for(int i = m; i < n; i ++)
#define FOREACH(it, l) for (auto it = l.begin(); it != l.end(); it++)
#define SORT(arr) sort(arr.begin(), arr.end())
#define LSOne(S) ((S)&-(S))
#define M_PI 3.1415926535897932384
#define INF 999999999
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef long long ll;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef double ld;
class SegmentTree {
public:
	vi prop;
	vi val;
	int n;
	SegmentTree(int n) {
		this-> n = n;
		val.assign(4*n, INF);
		prop.assign(4*n,0);
	}
	int l(int p) {
		return p*2;
	}
	int r(int p) {
		return p*2+1;
	}
	void propagate(int p, int L, int R) {
		if (prop[p] != 0) {
			val[p] += prop[p];
			if (L!=R) {
				int m = (L+R)/2;
				prop[l(p)] += prop[p];
				prop[r(p)] += prop[p];
			} 
			prop[p]= 0;
		} 
	}
	int RMQ(int p, int L , int R, int i, int j) {
		propagate(p, L, R);
		if (R< i || L > j ) return INF;
		if (L >= i && R <= j) return val[p];
		int m = (L+R)/2;
		return min(RMQ(l(p), L, m, i, j), RMQ(r(p), m+1, R, i, j));
	}
	void pointupdate(int p, int L, int R, int x, int newval) {
		propagate(p, L,R);
		if (R<x|| L>x ) return;
		if (L== x && R== x) {
			val[p] = newval;
			return;
		}
		int m = (L+R)/2;
		pointupdate(l(p), L, m,x, newval);
		pointupdate(r(p), m+1, R, x, newval);
		val[p] = min(val[r(p)], val[l(p)]);
	}
};
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL); cout.tie(NULL);
	int n,m;
	cin>>n>>m;
	vi arr = {n*m};
	REP(i, n) {
		int x;cin>>x;
		x += (n-i-1)*m;
		arr.push_back(x);
	}
	set<int> allval;
	for (auto x:arr) {
		allval.insert(x);
	}
	map<int,int> comp;
	int idx =0;
	for (auto x: allval) {
		comp[x] = idx++;
	}
	vi farr;
	for (auto x: arr) {
		farr.push_back(comp[x]);
	}
	SegmentTree tr(idx);
	tr.pointupdate(1, 0, idx-1, farr[0], 0);
	REPL(i,1, n+1) {
		int bstval = tr.RMQ(1,0,idx-1,farr[i], idx-1);
		tr.prop[1]++;
		tr.pointupdate(1,0,idx-1,farr[i], bstval);
	}
	cout<<tr.RMQ(1,0,idx-1,0,idx-1);
}

Compilation message

triusis.cpp: In member function 'void SegmentTree::propagate(int, int, int)':
triusis.cpp:41:9: warning: unused variable 'm' [-Wunused-variable]
   41 |     int m = (L+R)/2;
      |         ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 312 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 312 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 312 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 312 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 312 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 312 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 312 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 312 KB Output is correct
17 Correct 0 ms 296 KB Output is correct
18 Correct 0 ms 308 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 3 ms 844 KB Output is correct
21 Correct 3 ms 972 KB Output is correct
22 Correct 4 ms 712 KB Output is correct
23 Correct 4 ms 972 KB Output is correct
24 Correct 3 ms 972 KB Output is correct
25 Correct 4 ms 972 KB Output is correct
26 Correct 4 ms 992 KB Output is correct
27 Correct 1 ms 324 KB Output is correct
28 Correct 1 ms 324 KB Output is correct
29 Correct 5 ms 972 KB Output is correct
30 Correct 5 ms 972 KB Output is correct
31 Correct 3 ms 716 KB Output is correct
32 Correct 6 ms 972 KB Output is correct
33 Correct 5 ms 968 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 296 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 3 ms 844 KB Output is correct
5 Correct 3 ms 972 KB Output is correct
6 Correct 4 ms 712 KB Output is correct
7 Correct 4 ms 972 KB Output is correct
8 Correct 3 ms 972 KB Output is correct
9 Correct 4 ms 972 KB Output is correct
10 Correct 4 ms 992 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 5 ms 972 KB Output is correct
14 Correct 5 ms 972 KB Output is correct
15 Correct 3 ms 716 KB Output is correct
16 Correct 6 ms 972 KB Output is correct
17 Correct 5 ms 968 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 312 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 312 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 1 ms 312 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 312 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 0 ms 312 KB Output is correct
34 Correct 4 ms 1036 KB Output is correct
35 Correct 5 ms 1000 KB Output is correct
36 Correct 4 ms 964 KB Output is correct
37 Correct 5 ms 960 KB Output is correct
38 Correct 1 ms 368 KB Output is correct
39 Correct 1 ms 352 KB Output is correct
40 Correct 3 ms 716 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 4 ms 972 KB Output is correct
43 Correct 4 ms 972 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 1036 KB Output is correct
2 Correct 5 ms 1000 KB Output is correct
3 Correct 4 ms 964 KB Output is correct
4 Correct 5 ms 960 KB Output is correct
5 Correct 1 ms 368 KB Output is correct
6 Correct 1 ms 352 KB Output is correct
7 Correct 3 ms 716 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 4 ms 972 KB Output is correct
10 Correct 4 ms 972 KB Output is correct
11 Correct 0 ms 296 KB Output is correct
12 Correct 0 ms 308 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 3 ms 844 KB Output is correct
15 Correct 3 ms 972 KB Output is correct
16 Correct 4 ms 712 KB Output is correct
17 Correct 4 ms 972 KB Output is correct
18 Correct 3 ms 972 KB Output is correct
19 Correct 4 ms 972 KB Output is correct
20 Correct 4 ms 992 KB Output is correct
21 Correct 1 ms 324 KB Output is correct
22 Correct 1 ms 324 KB Output is correct
23 Correct 5 ms 972 KB Output is correct
24 Correct 5 ms 972 KB Output is correct
25 Correct 3 ms 716 KB Output is correct
26 Correct 6 ms 972 KB Output is correct
27 Correct 5 ms 968 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 0 ms 312 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 312 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 1 ms 312 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 0 ms 204 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 0 ms 312 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 0 ms 312 KB Output is correct
44 Correct 180 ms 27572 KB Output is correct
45 Correct 322 ms 28944 KB Output is correct
46 Correct 318 ms 29088 KB Output is correct
47 Correct 330 ms 29000 KB Output is correct
48 Correct 193 ms 27484 KB Output is correct
49 Correct 181 ms 28088 KB Output is correct
50 Correct 40 ms 4436 KB Output is correct
51 Correct 29 ms 4492 KB Output is correct
52 Correct 145 ms 15420 KB Output is correct
53 Correct 21 ms 3776 KB Output is correct
54 Correct 188 ms 27852 KB Output is correct
55 Correct 188 ms 27724 KB Output is correct