답안 #543837

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
543837 2022-03-31T13:37:11 Z amunduzbaev 새 집 (APIO18_new_home) C++17
47 / 100
4621 ms 759732 KB
#include "bits/stdc++.h"
using namespace std;

namespace NLOGsq{

#define ar array
#define pq priority_queue

const int N = 3e5 + 5;
const int M = N * 30;
const int MX = 1e8 + 5;
 
struct node{
	pq<int> in[2], del[2];
	int f[2];
	
	node (){
		f[0] = f[1] = 0;
	}
};
 
node def;
 
struct ST{
	vector<node> tree;
	int last;
	ST(){
		tree.push_back(def);
		last = 0;
	}
	
	void make_l(int x){
		//~ tree.push_back(def);
		if(tree[x].f[0]) return;
		tree.push_back(def);
		tree[x].f[0] = ++last; // tree[x].f[1] = ++last;
		//~ assert(last < M);
	}
	void make_r(int x){
		//~ tree.push_back(def);
		if(tree[x].f[1]) return;
		tree.push_back(def);
		tree[x].f[1] = ++last; // tree[x].f[1] = ++last;
		//~ assert(last < M);
	}
	
	void add(int l, int r, int s, int t, int lx = 0, int rx = MX, int x = 0){
		if(lx > r || rx < l) return;
		if(lx >= l && rx <= r){
			if(t == 1){
				tree[x].in[0].push(s + (lx - l));
			} else {
				tree[x].in[1].push(s - (lx - l));
			} return;
		} int m = (lx + rx) >> 1;
		//~ make(x);
		if(lx <= r && m >= l){
			make_l(x);
			add(l, r, s, t, lx, m, tree[x].f[0]);
		} if(m + 1 <= r && rx >= l){
			make_r(x);
			add(l, r, s, t, m+1, rx, tree[x].f[1]);
		}
		//~ add(l, r, s, t, lx, m, tree[x].f[0]), add(l, r, s, t, m+1, rx, tree[x].f[1]);
	}
	
	void bal(pq<int>& a, pq<int>& b){
		while(!a.empty() && !b.empty() && a.top() == b.top()){
			a.pop();
			b.pop();
		}
	}
	
	void del(int l, int r, int s, int t, int lx = 0, int rx = MX, int x = 0){
		if(lx > r || rx < l) return;
		if(lx >= l && rx <= r){
			if(t == 1){
				tree[x].del[0].push(s + (lx - l));
			} else {
				tree[x].del[1].push(s - (lx - l));
			} return;
		} int m = (lx + rx) >> 1;
		if(lx <= r && m >= l){
			make_l(x);
			del(l, r, s, t, lx, m, tree[x].f[0]);
		} if(m + 1 <= r && rx >= l){
			make_r(x);
			del(l, r, s, t, m+1, rx, tree[x].f[1]);
		}
	}
	
	int get(int i, int lx = 0, int rx = MX, int x = 0){
		int res = 0;
		bal(tree[x].in[0], tree[x].del[0]);
		bal(tree[x].in[1], tree[x].del[1]);
		if(!tree[x].in[0].empty()) res = max(res, tree[x].in[0].top() + (i - lx));
		if(!tree[x].in[1].empty()) res = max(res, tree[x].in[1].top() - (i - lx));
		if(lx == rx) return res;
		int m = (lx + rx) >> 1;
		if(i <= m) return max((tree[x].f[0] ? get(i, lx, m, tree[x].f[0]) : 0), res);
		else return max((tree[x].f[1] ? get(i, m+1, rx, tree[x].f[1]) : 0), res);
	}
}tree;
/*

4 2 4
3 1 1 10
9 2 2 4
7 2 5 7
4 1 8 10
5 3
5 6
5 9
1 10

2 1 3
1 1 1 4
1 1 2 6
1 3
1 5
1 7

1 1 1
100000000 1 1 1
1 1

*/

int x[N], t[N], a[N], b[N], l[N], y[N];
multiset<int> ss[N];

void solve(int n, int k, int q){ //assert(false);
	for(int i=0;i<n;i++){
		cin>>x[i]>>t[i]>>a[i]>>b[i];
		--t[i];
	}

	auto add = [&](int l, int r){
		if(l == r) return;
		int m = (l + r) >> 1;
		tree.add(l, m, 0, 1);
		tree.add(m + 1, r, r - m - 1, -1);
	}; auto inc = [&](int x) { tree.add(x, MX, 0, 1); };
	auto dec = [&](int x) { tree.add(0, x, x, -1); };
	
	auto dadd = [&](int l, int r){
		if(l == r) return;
		int m = (l + r) >> 1;
		tree.del(l, m, 0, 1);
		tree.del(m + 1, r, r - m - 1, -1);
	}; auto dinc = [&](int x) { tree.del(x, MX, 0, 1); };
	auto ddec = [&](int x) { tree.del(0, x, x, -1); };
	
	//~ bool is = 1;
	//~ for(int i=0;i<k;i++){
		//~ if(stor[i].empty()) { is = 0; break; }
		//~ sort(stor[i].begin(), stor[i].end(), [&](int i, int j){
			//~ return (x[i] < x[j]);
		//~ });
		//~ for(int j=1;j<(int)stor[i].size();j++){
			//~ add(x[stor[i][j-1]], x[stor[i][j]]);
		//~ }
		
		//~ dec(x[stor[i][0]]);
		//~ inc(x[stor[i].back()]);
	//~ }
	
	vector<int> in(n); iota(in.begin(), in.end(), 0);
	vector<int> out(n); iota(out.begin(), out.end(), 0);
	sort(in.begin(), in.end(), [&](int i, int j){
		return (a[i] < a[j]);
	});
	sort(out.begin(), out.end(), [&](int i, int j){
		return (b[i] < b[j]);
	});
	vector<int> p(q);
	
	for(int i=0;i<q;i++){ p[i] = i;
		cin>>l[i]>>y[i];
	}
	
	sort(p.begin(), p.end(), [&](int i, int j){
		return (y[i] < y[j]);
	});
	
	int I = 0, O = 0, c = k;
	auto NEW = [&](int i){
		auto it = ss[t[i]].upper_bound(x[i]);
		if(ss[t[i]].empty()) c--;
		if(it == ss[t[i]].end()){
			if(it != ss[t[i]].begin()){
				it--;
				dinc(*it);
				add(*it, x[i]);
				inc(x[i]);
			} else {
				inc(x[i]);
				dec(x[i]);
			}
		} else {
			if(it == ss[t[i]].begin()){
				ddec(*it);
				add(x[i], *it);
				dec(x[i]);
			} else {
				auto R = it; it--;
				dadd(*it, *R);
				add(*it, x[i]);
				add(x[i], *R);
			}
		}
		
		ss[t[i]].insert(x[i]);
	};
	
	auto DEL = [&](int i){
		ss[t[i]].erase(ss[t[i]].find(x[i]));
		if(ss[t[i]].empty()) c++;
		auto it = ss[t[i]].upper_bound(x[i]);
		if(it == ss[t[i]].end()){
			if(it == ss[t[i]].begin()){
				dinc(x[i]);
				ddec(x[i]);
			} else {
				it--;
				dadd(*it, x[i]);
				dinc(x[i]);
				inc(*it);
			}
		} else {
			if(it == ss[t[i]].begin()){
				dadd(x[i], *it);
				ddec(x[i]);
				dec(*it);
			} else {
				auto R = it; it--;
				dadd(*it, x[i]);
				dadd(x[i], *R);
				add(*it, *R);
			}
		}
	};
	
	vector<int> res(q);
	for(auto i : p){
		while(I < n && a[in[I]] <= y[i]){
			NEW(in[I]);
			I++;
		}
		
		while(O < n && b[out[O]] < y[i]){
			DEL(out[O]);
			O++;
		}
		
		if(!c) res[i] = tree.get(l[i]);
		else res[i] = -1;
	}
	
	for(int i=0;i<q;i++) cout<<res[i]<<"\n";
}
};

namespace temp{
const int N = 3e5 + 5;
const int M = N * 30;
const int MX = 1e8 + 5;

struct ST{
	int tree[M][2], f[M][2];
	int last;
	
	ST(){
		memset(tree, -1, sizeof tree);
		last = 0;
	}
	
	void make(int x){
		if(!f[x][0]) f[x][0] = ++last;
		if(!f[x][1]) f[x][1] = ++last;
	}
	
	void umax(int l, int r, int s, int t, int lx = 0, int rx = MX, int x = 0){
		if(lx > r || rx < l) return;
		if(lx >= l && rx <= r){
			if(t == 1) tree[x][0] = max(tree[x][0], s + (lx - l));
			else tree[x][1] = max(tree[x][1], s - (lx - l));
			return;
		} int m = (lx + rx) >> 1;
		make(x);
		umax(l, r, s, t, lx, m, f[x][0]);
		umax(l, r, s, t, m+1, rx, f[x][1]);
	}
	
	int get(int i, int lx = 0, int rx = MX, int x = 0){
		int res = 0;
		if(~tree[x][0]) res = max(res, tree[x][0] + (i - lx));
		if(~tree[x][1]) res = max(res, tree[x][1] - (i - lx));
		if(lx == rx) return res;
		int m = (lx + rx) >> 1;
		if(i <= m) return max((f[x][0] ? get(i, lx, m, f[x][0]) : 0), res);
		else return max((f[x][1] ? get(i, m+1, rx, f[x][1]) : 0), res);
	}
}tree;

int x[N], t[N], a[N], b[N], l[N], y[N];
multiset<int> ss[N];

void solve(int n, int k, int q){
	for(int i=0;i<n;i++){
		cin>>x[i]>>t[i]>>a[i]>>b[i];
		--t[i];
	}

	auto add = [&](int l, int r){
		if(l == r) return;
		int m = (l + r) >> 1;
		tree.umax(l, m, 0, 1);
		tree.umax(m + 1, r, r - m - 1, -1);
	}; auto inc = [&](int x) { tree.umax(x, MX, 0, 1); };
	auto dec = [&](int x) { tree.umax(0, x, x, -1); };
	
	//~ auto dadd = [&](int l, int r){
		//~ if(l == r) return;
		//~ int m = (l + r) >> 1;
		//~ tree.del(l, m, 0, 1);
		//~ tree.del(m + 1, r, r - m - 1, -1);
	//~ }; auto dinc = [&](int x) { tree.del(x, MX, 0, 1); };
	//~ auto ddec = [&](int x) { tree.del(0, x, x, -1); };
	
	//~ bool is = 1;
	//~ for(int i=0;i<k;i++){
		//~ if(stor[i].empty()) { is = 0; break; }
		//~ sort(stor[i].begin(), stor[i].end(), [&](int i, int j){
			//~ return (x[i] < x[j]);
		//~ });
		//~ for(int j=1;j<(int)stor[i].size();j++){
			//~ add(x[stor[i][j-1]], x[stor[i][j]]);
		//~ }
		
		//~ dec(x[stor[i][0]]);
		//~ inc(x[stor[i].back()]);
	//~ }
	
	vector<int> in(n); iota(in.begin(), in.end(), 0);
	vector<int> out(n); iota(out.begin(), out.end(), 0);
	sort(in.begin(), in.end(), [&](int i, int j){
		return (a[i] < a[j]);
	});
	sort(out.begin(), out.end(), [&](int i, int j){
		return (b[i] < b[j]);
	});
	vector<int> p(q);
	
	for(int i=0;i<q;i++){ p[i] = i;
		cin>>l[i]>>y[i];
	}
	
	sort(p.begin(), p.end(), [&](int i, int j){
		return (y[i] < y[j]);
	});
	
	int I = 0, O = 0, c = k;
	auto NEW = [&](int i){
		auto it = ss[t[i]].upper_bound(x[i]);
		if(ss[t[i]].empty()) c--;
		if(it == ss[t[i]].end()){
			if(it != ss[t[i]].begin()){
				it--;
				//~ dinc(*it);
				add(*it, x[i]);
				inc(x[i]);
			} else {
				inc(x[i]);
				dec(x[i]);
			}
		} else {
			if(it == ss[t[i]].begin()){
				//~ ddec(*it);
				add(x[i], *it);
				dec(x[i]);
			} else {
				auto R = it; it--;
				//~ dadd(*it, *R);
				add(*it, x[i]);
				add(x[i], *R);
			}
		}
		
		ss[t[i]].insert(x[i]);
	};
	
	auto DEL = [&](int i){
		ss[t[i]].erase(ss[t[i]].find(x[i]));
		if(ss[t[i]].empty()) c++;
		auto it = ss[t[i]].upper_bound(x[i]);
		if(it == ss[t[i]].end()){
			if(it == ss[t[i]].begin()){
				//~ dinc(x[i]);
				//~ ddec(x[i]);
			} else {
				it--;
				//~ dadd(*it, x[i]);
				//~ dinc(x[i]);
				inc(*it);
			}
		} else {
			if(it == ss[t[i]].begin()){
				//~ dadd(x[i], *it);
				//~ ddec(x[i]);
				dec(*it);
			} else {
				auto R = it; it--;
				//~ dadd(*it, x[i]);
				//~ dadd(x[i], *R);
				add(*it, *R);
			}
		}
	};
	
	vector<int> res(q);
	for(auto i : p){
		while(I < n && a[in[I]] <= y[i]){
			NEW(in[I]);
			I++;
		}
		
		while(O < n && b[out[O]] < y[i]){
			DEL(out[O]);
			O++;
		}
		
		if(!c) res[i] = tree.get(l[i]);
		else res[i] = -1;
	}
	
	for(int i=0;i<q;i++) cout<<res[i]<<"\n";
}

};

signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n, k, q; cin>>n>>k>>q;
	if(n <= 60000 && q <= 60000){
		NLOGsq::solve(n, k, q);
	} else {
		temp::solve(n, k, q);
	}
}
# 결과 실행 시간 메모리 Grader output
1 Correct 69 ms 98948 KB Output is correct
2 Correct 49 ms 98960 KB Output is correct
3 Correct 57 ms 98988 KB Output is correct
4 Correct 47 ms 99404 KB Output is correct
5 Correct 49 ms 99068 KB Output is correct
6 Correct 73 ms 108872 KB Output is correct
7 Correct 56 ms 101324 KB Output is correct
8 Correct 63 ms 103808 KB Output is correct
9 Correct 53 ms 101372 KB Output is correct
10 Correct 64 ms 108624 KB Output is correct
11 Correct 60 ms 104004 KB Output is correct
12 Correct 61 ms 108924 KB Output is correct
13 Correct 54 ms 103932 KB Output is correct
14 Correct 59 ms 103988 KB Output is correct
15 Correct 50 ms 103908 KB Output is correct
16 Correct 73 ms 103832 KB Output is correct
17 Correct 64 ms 103952 KB Output is correct
18 Correct 63 ms 103832 KB Output is correct
19 Correct 62 ms 103820 KB Output is correct
20 Correct 84 ms 103948 KB Output is correct
21 Correct 61 ms 99096 KB Output is correct
22 Correct 53 ms 101320 KB Output is correct
23 Correct 54 ms 103768 KB Output is correct
24 Correct 55 ms 103804 KB Output is correct
25 Correct 59 ms 103908 KB Output is correct
26 Correct 61 ms 104236 KB Output is correct
27 Correct 54 ms 99068 KB Output is correct
28 Correct 51 ms 103912 KB Output is correct
29 Correct 58 ms 103924 KB Output is correct
30 Correct 67 ms 103924 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 69 ms 98948 KB Output is correct
2 Correct 49 ms 98960 KB Output is correct
3 Correct 57 ms 98988 KB Output is correct
4 Correct 47 ms 99404 KB Output is correct
5 Correct 49 ms 99068 KB Output is correct
6 Correct 73 ms 108872 KB Output is correct
7 Correct 56 ms 101324 KB Output is correct
8 Correct 63 ms 103808 KB Output is correct
9 Correct 53 ms 101372 KB Output is correct
10 Correct 64 ms 108624 KB Output is correct
11 Correct 60 ms 104004 KB Output is correct
12 Correct 61 ms 108924 KB Output is correct
13 Correct 54 ms 103932 KB Output is correct
14 Correct 59 ms 103988 KB Output is correct
15 Correct 50 ms 103908 KB Output is correct
16 Correct 73 ms 103832 KB Output is correct
17 Correct 64 ms 103952 KB Output is correct
18 Correct 63 ms 103832 KB Output is correct
19 Correct 62 ms 103820 KB Output is correct
20 Correct 84 ms 103948 KB Output is correct
21 Correct 61 ms 99096 KB Output is correct
22 Correct 53 ms 101320 KB Output is correct
23 Correct 54 ms 103768 KB Output is correct
24 Correct 55 ms 103804 KB Output is correct
25 Correct 59 ms 103908 KB Output is correct
26 Correct 61 ms 104236 KB Output is correct
27 Correct 54 ms 99068 KB Output is correct
28 Correct 51 ms 103912 KB Output is correct
29 Correct 58 ms 103924 KB Output is correct
30 Correct 67 ms 103924 KB Output is correct
31 Correct 4621 ms 752332 KB Output is correct
32 Correct 317 ms 105452 KB Output is correct
33 Correct 3738 ms 750724 KB Output is correct
34 Correct 4562 ms 749452 KB Output is correct
35 Correct 4010 ms 759732 KB Output is correct
36 Correct 3489 ms 754736 KB Output is correct
37 Correct 3000 ms 756148 KB Output is correct
38 Correct 2624 ms 751720 KB Output is correct
39 Correct 1871 ms 753768 KB Output is correct
40 Correct 2132 ms 752632 KB Output is correct
41 Correct 2683 ms 754168 KB Output is correct
42 Correct 2697 ms 757860 KB Output is correct
43 Correct 150 ms 106880 KB Output is correct
44 Correct 2515 ms 753836 KB Output is correct
45 Correct 2167 ms 751716 KB Output is correct
46 Correct 1998 ms 750664 KB Output is correct
47 Correct 1078 ms 753548 KB Output is correct
48 Correct 1121 ms 752520 KB Output is correct
49 Correct 1295 ms 754624 KB Output is correct
50 Correct 1440 ms 759204 KB Output is correct
51 Correct 1402 ms 753700 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1577 ms 196868 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Runtime error 1726 ms 389640 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 69 ms 98948 KB Output is correct
2 Correct 49 ms 98960 KB Output is correct
3 Correct 57 ms 98988 KB Output is correct
4 Correct 47 ms 99404 KB Output is correct
5 Correct 49 ms 99068 KB Output is correct
6 Correct 73 ms 108872 KB Output is correct
7 Correct 56 ms 101324 KB Output is correct
8 Correct 63 ms 103808 KB Output is correct
9 Correct 53 ms 101372 KB Output is correct
10 Correct 64 ms 108624 KB Output is correct
11 Correct 60 ms 104004 KB Output is correct
12 Correct 61 ms 108924 KB Output is correct
13 Correct 54 ms 103932 KB Output is correct
14 Correct 59 ms 103988 KB Output is correct
15 Correct 50 ms 103908 KB Output is correct
16 Correct 73 ms 103832 KB Output is correct
17 Correct 64 ms 103952 KB Output is correct
18 Correct 63 ms 103832 KB Output is correct
19 Correct 62 ms 103820 KB Output is correct
20 Correct 84 ms 103948 KB Output is correct
21 Correct 61 ms 99096 KB Output is correct
22 Correct 53 ms 101320 KB Output is correct
23 Correct 54 ms 103768 KB Output is correct
24 Correct 55 ms 103804 KB Output is correct
25 Correct 59 ms 103908 KB Output is correct
26 Correct 61 ms 104236 KB Output is correct
27 Correct 54 ms 99068 KB Output is correct
28 Correct 51 ms 103912 KB Output is correct
29 Correct 58 ms 103924 KB Output is correct
30 Correct 67 ms 103924 KB Output is correct
31 Correct 4621 ms 752332 KB Output is correct
32 Correct 317 ms 105452 KB Output is correct
33 Correct 3738 ms 750724 KB Output is correct
34 Correct 4562 ms 749452 KB Output is correct
35 Correct 4010 ms 759732 KB Output is correct
36 Correct 3489 ms 754736 KB Output is correct
37 Correct 3000 ms 756148 KB Output is correct
38 Correct 2624 ms 751720 KB Output is correct
39 Correct 1871 ms 753768 KB Output is correct
40 Correct 2132 ms 752632 KB Output is correct
41 Correct 2683 ms 754168 KB Output is correct
42 Correct 2697 ms 757860 KB Output is correct
43 Correct 150 ms 106880 KB Output is correct
44 Correct 2515 ms 753836 KB Output is correct
45 Correct 2167 ms 751716 KB Output is correct
46 Correct 1998 ms 750664 KB Output is correct
47 Correct 1078 ms 753548 KB Output is correct
48 Correct 1121 ms 752520 KB Output is correct
49 Correct 1295 ms 754624 KB Output is correct
50 Correct 1440 ms 759204 KB Output is correct
51 Correct 1402 ms 753700 KB Output is correct
52 Correct 925 ms 405568 KB Output is correct
53 Correct 916 ms 420636 KB Output is correct
54 Correct 1990 ms 758288 KB Output is correct
55 Correct 1827 ms 461304 KB Output is correct
56 Correct 1614 ms 421800 KB Output is correct
57 Correct 2483 ms 753852 KB Output is correct
58 Correct 2106 ms 462444 KB Output is correct
59 Correct 1899 ms 423884 KB Output is correct
60 Correct 2508 ms 756768 KB Output is correct
61 Correct 169 ms 110864 KB Output is correct
62 Correct 977 ms 405624 KB Output is correct
63 Correct 1569 ms 416288 KB Output is correct
64 Correct 2024 ms 455224 KB Output is correct
65 Correct 2404 ms 758836 KB Output is correct
66 Correct 2438 ms 755972 KB Output is correct
67 Correct 360 ms 116576 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 69 ms 98948 KB Output is correct
2 Correct 49 ms 98960 KB Output is correct
3 Correct 57 ms 98988 KB Output is correct
4 Correct 47 ms 99404 KB Output is correct
5 Correct 49 ms 99068 KB Output is correct
6 Correct 73 ms 108872 KB Output is correct
7 Correct 56 ms 101324 KB Output is correct
8 Correct 63 ms 103808 KB Output is correct
9 Correct 53 ms 101372 KB Output is correct
10 Correct 64 ms 108624 KB Output is correct
11 Correct 60 ms 104004 KB Output is correct
12 Correct 61 ms 108924 KB Output is correct
13 Correct 54 ms 103932 KB Output is correct
14 Correct 59 ms 103988 KB Output is correct
15 Correct 50 ms 103908 KB Output is correct
16 Correct 73 ms 103832 KB Output is correct
17 Correct 64 ms 103952 KB Output is correct
18 Correct 63 ms 103832 KB Output is correct
19 Correct 62 ms 103820 KB Output is correct
20 Correct 84 ms 103948 KB Output is correct
21 Correct 61 ms 99096 KB Output is correct
22 Correct 53 ms 101320 KB Output is correct
23 Correct 54 ms 103768 KB Output is correct
24 Correct 55 ms 103804 KB Output is correct
25 Correct 59 ms 103908 KB Output is correct
26 Correct 61 ms 104236 KB Output is correct
27 Correct 54 ms 99068 KB Output is correct
28 Correct 51 ms 103912 KB Output is correct
29 Correct 58 ms 103924 KB Output is correct
30 Correct 67 ms 103924 KB Output is correct
31 Correct 4621 ms 752332 KB Output is correct
32 Correct 317 ms 105452 KB Output is correct
33 Correct 3738 ms 750724 KB Output is correct
34 Correct 4562 ms 749452 KB Output is correct
35 Correct 4010 ms 759732 KB Output is correct
36 Correct 3489 ms 754736 KB Output is correct
37 Correct 3000 ms 756148 KB Output is correct
38 Correct 2624 ms 751720 KB Output is correct
39 Correct 1871 ms 753768 KB Output is correct
40 Correct 2132 ms 752632 KB Output is correct
41 Correct 2683 ms 754168 KB Output is correct
42 Correct 2697 ms 757860 KB Output is correct
43 Correct 150 ms 106880 KB Output is correct
44 Correct 2515 ms 753836 KB Output is correct
45 Correct 2167 ms 751716 KB Output is correct
46 Correct 1998 ms 750664 KB Output is correct
47 Correct 1078 ms 753548 KB Output is correct
48 Correct 1121 ms 752520 KB Output is correct
49 Correct 1295 ms 754624 KB Output is correct
50 Correct 1440 ms 759204 KB Output is correct
51 Correct 1402 ms 753700 KB Output is correct
52 Incorrect 1577 ms 196868 KB Output isn't correct
53 Halted 0 ms 0 KB -