oj.uz

Submission #629678

# Submission time Handle Problem Language Result Execution time Memory
629678 2022-08-14T21:50:06 Z flappybird Reconstruction Project (JOI22_reconstruction) C++17
100 / 100
 4502 ms 243496 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
#define MAX 101010
#define MAXS 20
#define INF 1000000000000000001
#define bb ' '
#define ln '\n'
#define Ln '\n'
int p[MAX][505];
ll r[MAX];
ll l[MAX];
int A[MAX];
int B[MAX];
ll W[MAX];
int find(int t, int x) {
	if (!p[t][x]) return x;
	else return p[t][x] = find(t, p[t][x]);
}
bool uni(int t, int u, int v) {
	u = find(t, u);
	v = find(t, v);
	if (u == v) return false;
	p[t][u] = v;
	return true;
}
signed main() {
	ios::sync_with_stdio(false), cin.tie(0);
	int N, M;
	cin >> N >> M;
	int i, j;
	vector<pair<ll, pii>> in;
	int a, b, c;
	in.push_back({ 0, {0, 0} });
	for (i = 1; i <= M; i++) cin >> a >> b >> c, in.push_back(make_pair(c, pii(a, b)));
	sort(in.begin(), in.end());
	for (i = 1; i <= M; i++) tie(A[i], B[i], W[i]) = make_tuple(in[i].second.first, in[i].second.second, in[i].first);
	W[0] = -2000000010;
	W[M + 1] = 2000000010;
	for (i = M; i >= 1; i--) {
		for (j = i; j <= M; j++) if (!uni(j, A[i], B[i])) break;
		r[i] = W[j];
	}
	memset(p, 0, sizeof(p));
	for (i = 1; i <= M; i++) {
		for (j = i; j >= 1; j--) if (!uni(j, A[i], B[i])) break;
		l[i] = W[j];
	}
	vector<pll> sum, mul;
	for (i = 1; i <= M; i++) {
		if (l[i] != W[i]) {
			ll loc = (W[i] + l[i]) / 2 + 1;
			sum.emplace_back(loc, W[i]);
			sum.emplace_back(W[i], -W[i]);
			mul.emplace_back(loc, -1);
			mul.emplace_back(W[i], 1);
		}
		if (r[i] != W[i]) {
			ll loc = (W[i] + r[i]) / 2;
			sum.emplace_back(W[i] + 1, -W[i]);
			sum.emplace_back(loc + 1, W[i]);
			mul.emplace_back(W[i] + 1, 1);
			mul.emplace_back(loc + 1, -1);
		}
	}
	sort(mul.begin(), mul.end());
	sort(sum.begin(), sum.end());
	int Q;
	cin >> Q;
	ll s, m;
	s = m = 0;
	int ptr1, ptr2;
	ptr1 = 0, ptr2 = 0;
	while (Q--) {
		ll x;
		cin >> x;
		while (ptr1 < sum.size() && sum[ptr1].first <= x) s += sum[ptr1++].second;
		while (ptr2 < mul.size() && mul[ptr2].first <= x) m += mul[ptr2++].second;
		cout << x * m + s << ln;
	}
}

Compilation message

reconstruction.cpp: In function 'int main()':
reconstruction.cpp:83:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |   while (ptr1 < sum.size() && sum[ptr1].first <= x) s += sum[ptr1++].second;
      |          ~~~~~^~~~~~~~~~~~
reconstruction.cpp:84:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   84 |   while (ptr2 < mul.size() && mul[ptr2].first <= x) m += mul[ptr2++].second;
      |          ~~~~~^~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 199980 KB Output is correct
2 Correct 76 ms 199948 KB Output is correct
3 Correct 83 ms 199976 KB Output is correct
4 Correct 83 ms 199896 KB Output is correct
5 Correct 73 ms 199952 KB Output is correct
6 Correct 73 ms 199932 KB Output is correct
7 Correct 75 ms 199884 KB Output is correct
8 Correct 72 ms 199872 KB Output is correct
9 Correct 73 ms 199956 KB Output is correct
10 Correct 74 ms 199904 KB Output is correct
11 Correct 73 ms 199880 KB Output is correct
12 Correct 74 ms 199876 KB Output is correct
13 Correct 75 ms 199940 KB Output is correct
14 Correct 72 ms 199884 KB Output is correct
15 Correct 75 ms 199920 KB Output is correct
16 Correct 81 ms 199920 KB Output is correct
17 Correct 76 ms 199884 KB Output is correct
18 Correct 79 ms 199880 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 199980 KB Output is correct
2 Correct 76 ms 199948 KB Output is correct
3 Correct 83 ms 199976 KB Output is correct
4 Correct 83 ms 199896 KB Output is correct
5 Correct 73 ms 199952 KB Output is correct
6 Correct 73 ms 199932 KB Output is correct
7 Correct 75 ms 199884 KB Output is correct
8 Correct 72 ms 199872 KB Output is correct
9 Correct 73 ms 199956 KB Output is correct
10 Correct 74 ms 199904 KB Output is correct
11 Correct 73 ms 199880 KB Output is correct
12 Correct 74 ms 199876 KB Output is correct
13 Correct 75 ms 199940 KB Output is correct
14 Correct 72 ms 199884 KB Output is correct
15 Correct 75 ms 199920 KB Output is correct
16 Correct 81 ms 199920 KB Output is correct
17 Correct 76 ms 199884 KB Output is correct
18 Correct 79 ms 199880 KB Output is correct
19 Correct 76 ms 199932 KB Output is correct
20 Correct 2960 ms 220724 KB Output is correct
21 Correct 3902 ms 220708 KB Output is correct
22 Correct 4309 ms 220604 KB Output is correct
23 Correct 2540 ms 220588 KB Output is correct
24 Correct 2709 ms 220632 KB Output is correct
25 Correct 3615 ms 220644 KB Output is correct
26 Correct 3162 ms 220528 KB Output is correct
27 Correct 2941 ms 220612 KB Output is correct
28 Correct 2820 ms 220528 KB Output is correct
29 Correct 3619 ms 205756 KB Output is correct
30 Correct 3402 ms 220588 KB Output is correct
31 Correct 2804 ms 220664 KB Output is correct
32 Correct 2781 ms 220536 KB Output is correct
33 Correct 2808 ms 220624 KB Output is correct
34 Correct 2299 ms 204768 KB Output is correct
35 Correct 2813 ms 220712 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 199972 KB Output is correct
2 Correct 91 ms 199964 KB Output is correct
3 Correct 77 ms 199888 KB Output is correct
4 Correct 1646 ms 231820 KB Output is correct
5 Correct 1710 ms 231664 KB Output is correct
6 Correct 1653 ms 231672 KB Output is correct
7 Correct 1765 ms 233524 KB Output is correct
8 Correct 1770 ms 233704 KB Output is correct
9 Correct 1976 ms 233760 KB Output is correct
10 Correct 1651 ms 231728 KB Output is correct
11 Correct 2024 ms 233800 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 199980 KB Output is correct
2 Correct 76 ms 199948 KB Output is correct
3 Correct 83 ms 199976 KB Output is correct
4 Correct 83 ms 199896 KB Output is correct
5 Correct 73 ms 199952 KB Output is correct
6 Correct 73 ms 199932 KB Output is correct
7 Correct 75 ms 199884 KB Output is correct
8 Correct 72 ms 199872 KB Output is correct
9 Correct 73 ms 199956 KB Output is correct
10 Correct 74 ms 199904 KB Output is correct
11 Correct 73 ms 199880 KB Output is correct
12 Correct 74 ms 199876 KB Output is correct
13 Correct 75 ms 199940 KB Output is correct
14 Correct 72 ms 199884 KB Output is correct
15 Correct 75 ms 199920 KB Output is correct
16 Correct 81 ms 199920 KB Output is correct
17 Correct 76 ms 199884 KB Output is correct
18 Correct 79 ms 199880 KB Output is correct
19 Correct 75 ms 199880 KB Output is correct
20 Correct 268 ms 212364 KB Output is correct
21 Correct 257 ms 212556 KB Output is correct
22 Correct 269 ms 212496 KB Output is correct
23 Correct 316 ms 212436 KB Output is correct
24 Correct 265 ms 212504 KB Output is correct
25 Correct 266 ms 212420 KB Output is correct
26 Correct 264 ms 212428 KB Output is correct
27 Correct 275 ms 212528 KB Output is correct
28 Correct 269 ms 212364 KB Output is correct
29 Correct 302 ms 212432 KB Output is correct
30 Correct 277 ms 212616 KB Output is correct
31 Correct 260 ms 212460 KB Output is correct
32 Correct 270 ms 212940 KB Output is correct
33 Correct 258 ms 212304 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 199980 KB Output is correct
2 Correct 76 ms 199948 KB Output is correct
3 Correct 83 ms 199976 KB Output is correct
4 Correct 83 ms 199896 KB Output is correct
5 Correct 73 ms 199952 KB Output is correct
6 Correct 73 ms 199932 KB Output is correct
7 Correct 75 ms 199884 KB Output is correct
8 Correct 72 ms 199872 KB Output is correct
9 Correct 73 ms 199956 KB Output is correct
10 Correct 74 ms 199904 KB Output is correct
11 Correct 73 ms 199880 KB Output is correct
12 Correct 74 ms 199876 KB Output is correct
13 Correct 75 ms 199940 KB Output is correct
14 Correct 72 ms 199884 KB Output is correct
15 Correct 75 ms 199920 KB Output is correct
16 Correct 81 ms 199920 KB Output is correct
17 Correct 76 ms 199884 KB Output is correct
18 Correct 79 ms 199880 KB Output is correct
19 Correct 76 ms 199932 KB Output is correct
20 Correct 2960 ms 220724 KB Output is correct
21 Correct 3902 ms 220708 KB Output is correct
22 Correct 4309 ms 220604 KB Output is correct
23 Correct 2540 ms 220588 KB Output is correct
24 Correct 2709 ms 220632 KB Output is correct
25 Correct 3615 ms 220644 KB Output is correct
26 Correct 3162 ms 220528 KB Output is correct
27 Correct 2941 ms 220612 KB Output is correct
28 Correct 2820 ms 220528 KB Output is correct
29 Correct 3619 ms 205756 KB Output is correct
30 Correct 3402 ms 220588 KB Output is correct
31 Correct 2804 ms 220664 KB Output is correct
32 Correct 2781 ms 220536 KB Output is correct
33 Correct 2808 ms 220624 KB Output is correct
34 Correct 2299 ms 204768 KB Output is correct
35 Correct 2813 ms 220712 KB Output is correct
36 Correct 2761 ms 220792 KB Output is correct
37 Correct 3649 ms 220864 KB Output is correct
38 Correct 4502 ms 220840 KB Output is correct
39 Correct 2436 ms 220960 KB Output is correct
40 Correct 2421 ms 220872 KB Output is correct
41 Correct 3013 ms 220868 KB Output is correct
42 Correct 2877 ms 220764 KB Output is correct
43 Correct 2681 ms 220864 KB Output is correct
44 Correct 2588 ms 220816 KB Output is correct
45 Correct 3050 ms 206060 KB Output is correct
46 Correct 2646 ms 220804 KB Output is correct
47 Correct 2707 ms 220748 KB Output is correct
48 Correct 2799 ms 220860 KB Output is correct
49 Correct 2711 ms 220732 KB Output is correct
50 Correct 2214 ms 204968 KB Output is correct
51 Correct 2750 ms 220776 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 199980 KB Output is correct
2 Correct 76 ms 199948 KB Output is correct
3 Correct 83 ms 199976 KB Output is correct
4 Correct 83 ms 199896 KB Output is correct
5 Correct 73 ms 199952 KB Output is correct
6 Correct 73 ms 199932 KB Output is correct
7 Correct 75 ms 199884 KB Output is correct
8 Correct 72 ms 199872 KB Output is correct
9 Correct 73 ms 199956 KB Output is correct
10 Correct 74 ms 199904 KB Output is correct
11 Correct 73 ms 199880 KB Output is correct
12 Correct 74 ms 199876 KB Output is correct
13 Correct 75 ms 199940 KB Output is correct
14 Correct 72 ms 199884 KB Output is correct
15 Correct 75 ms 199920 KB Output is correct
16 Correct 81 ms 199920 KB Output is correct
17 Correct 76 ms 199884 KB Output is correct
18 Correct 79 ms 199880 KB Output is correct
19 Correct 76 ms 199932 KB Output is correct
20 Correct 2960 ms 220724 KB Output is correct
21 Correct 3902 ms 220708 KB Output is correct
22 Correct 4309 ms 220604 KB Output is correct
23 Correct 2540 ms 220588 KB Output is correct
24 Correct 2709 ms 220632 KB Output is correct
25 Correct 3615 ms 220644 KB Output is correct
26 Correct 3162 ms 220528 KB Output is correct
27 Correct 2941 ms 220612 KB Output is correct
28 Correct 2820 ms 220528 KB Output is correct
29 Correct 3619 ms 205756 KB Output is correct
30 Correct 3402 ms 220588 KB Output is correct
31 Correct 2804 ms 220664 KB Output is correct
32 Correct 2781 ms 220536 KB Output is correct
33 Correct 2808 ms 220624 KB Output is correct
34 Correct 2299 ms 204768 KB Output is correct
35 Correct 2813 ms 220712 KB Output is correct
36 Correct 76 ms 199972 KB Output is correct
37 Correct 91 ms 199964 KB Output is correct
38 Correct 77 ms 199888 KB Output is correct
39 Correct 1646 ms 231820 KB Output is correct
40 Correct 1710 ms 231664 KB Output is correct
41 Correct 1653 ms 231672 KB Output is correct
42 Correct 1765 ms 233524 KB Output is correct
43 Correct 1770 ms 233704 KB Output is correct
44 Correct 1976 ms 233760 KB Output is correct
45 Correct 1651 ms 231728 KB Output is correct
46 Correct 2024 ms 233800 KB Output is correct
47 Correct 75 ms 199880 KB Output is correct
48 Correct 268 ms 212364 KB Output is correct
49 Correct 257 ms 212556 KB Output is correct
50 Correct 269 ms 212496 KB Output is correct
51 Correct 316 ms 212436 KB Output is correct
52 Correct 265 ms 212504 KB Output is correct
53 Correct 266 ms 212420 KB Output is correct
54 Correct 264 ms 212428 KB Output is correct
55 Correct 275 ms 212528 KB Output is correct
56 Correct 269 ms 212364 KB Output is correct
57 Correct 302 ms 212432 KB Output is correct
58 Correct 277 ms 212616 KB Output is correct
59 Correct 260 ms 212460 KB Output is correct
60 Correct 270 ms 212940 KB Output is correct
61 Correct 258 ms 212304 KB Output is correct
62 Correct 2761 ms 220792 KB Output is correct
63 Correct 3649 ms 220864 KB Output is correct
64 Correct 4502 ms 220840 KB Output is correct
65 Correct 2436 ms 220960 KB Output is correct
66 Correct 2421 ms 220872 KB Output is correct
67 Correct 3013 ms 220868 KB Output is correct
68 Correct 2877 ms 220764 KB Output is correct
69 Correct 2681 ms 220864 KB Output is correct
70 Correct 2588 ms 220816 KB Output is correct
71 Correct 3050 ms 206060 KB Output is correct
72 Correct 2646 ms 220804 KB Output is correct
73 Correct 2707 ms 220748 KB Output is correct
74 Correct 2799 ms 220860 KB Output is correct
75 Correct 2711 ms 220732 KB Output is correct
76 Correct 2214 ms 204968 KB Output is correct
77 Correct 2750 ms 220776 KB Output is correct
78 Correct 2876 ms 230804 KB Output is correct
79 Correct 3770 ms 232788 KB Output is correct
80 Correct 4411 ms 231600 KB Output is correct
81 Correct 2521 ms 243212 KB Output is correct
82 Correct 2484 ms 242216 KB Output is correct
83 Correct 3213 ms 242072 KB Output is correct
84 Correct 2910 ms 242124 KB Output is correct
85 Correct 2824 ms 242156 KB Output is correct
86 Correct 2721 ms 242180 KB Output is correct
87 Correct 3170 ms 228884 KB Output is correct
88 Correct 3139 ms 242080 KB Output is correct
89 Correct 2853 ms 242036 KB Output is correct
90 Correct 2871 ms 242184 KB Output is correct
91 Correct 2823 ms 242084 KB Output is correct
92 Correct 2371 ms 229128 KB Output is correct
93 Correct 2936 ms 243496 KB Output is correct