oj.uz

Submission #629676

# Submission time Handle Problem Language Result Execution time Memory
629676 2022-08-14T21:43:50 Z flappybird Reconstruction Project (JOI22_reconstruction) C++17
77 / 100
 5000 ms 242024 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] == 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);
	for (i = 1; i <= N; i++) for (j = 1; j <= M; j++) p[j][i] = i;
	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];
	}
	for (i = 1; i <= N; i++) for (j = 1; j <= M; j++) p[j][i] = i;
	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: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 (ptr1 < sum.size() && sum[ptr1].first <= x) s += sum[ptr1++].second;
      |          ~~~~~^~~~~~~~~~~~
reconstruction.cpp:85:15: 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]
   85 |   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 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 3121 ms 218680 KB Output is correct
21 Correct 4431 ms 218708 KB Output is correct
22 Correct 4950 ms 218628 KB Output is correct
23 Correct 3134 ms 220348 KB Output is correct
24 Correct 2933 ms 220420 KB Output is correct
25 Correct 3382 ms 220336 KB Output is correct
26 Correct 3073 ms 220560 KB Output is correct
27 Correct 3182 ms 220480 KB Output is correct
28 Correct 2827 ms 220376 KB Output is correct
29 Correct 3254 ms 205584 KB Output is correct
30 Correct 3069 ms 220260 KB Output is correct
31 Correct 3101 ms 220312 KB Output is correct
32 Correct 3118 ms 220312 KB Output is correct
33 Correct 3118 ms 220256 KB Output is correct
34 Correct 2815 ms 204704 KB Output is correct
35 Correct 3006 ms 220448 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1936 ms 229920 KB Output is correct
5 Correct 2058 ms 229660 KB Output is correct
6 Correct 1875 ms 229644 KB Output is correct
7 Correct 2137 ms 231680 KB Output is correct
8 Correct 2172 ms 232128 KB Output is correct
9 Correct 2092 ms 231676 KB Output is correct
10 Correct 1875 ms 229688 KB Output is correct
11 Correct 2194 ms 231628 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 196 ms 14752 KB Output is correct
21 Correct 191 ms 14860 KB Output is correct
22 Correct 201 ms 14852 KB Output is correct
23 Correct 205 ms 14812 KB Output is correct
24 Correct 194 ms 14756 KB Output is correct
25 Correct 195 ms 15068 KB Output is correct
26 Correct 203 ms 14768 KB Output is correct
27 Correct 199 ms 14832 KB Output is correct
28 Correct 201 ms 14848 KB Output is correct
29 Correct 195 ms 14812 KB Output is correct
30 Correct 210 ms 14800 KB Output is correct
31 Correct 213 ms 14752 KB Output is correct
32 Correct 194 ms 15288 KB Output is correct
33 Correct 194 ms 14592 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 3121 ms 218680 KB Output is correct
21 Correct 4431 ms 218708 KB Output is correct
22 Correct 4950 ms 218628 KB Output is correct
23 Correct 3134 ms 220348 KB Output is correct
24 Correct 2933 ms 220420 KB Output is correct
25 Correct 3382 ms 220336 KB Output is correct
26 Correct 3073 ms 220560 KB Output is correct
27 Correct 3182 ms 220480 KB Output is correct
28 Correct 2827 ms 220376 KB Output is correct
29 Correct 3254 ms 205584 KB Output is correct
30 Correct 3069 ms 220260 KB Output is correct
31 Correct 3101 ms 220312 KB Output is correct
32 Correct 3118 ms 220312 KB Output is correct
33 Correct 3118 ms 220256 KB Output is correct
34 Correct 2815 ms 204704 KB Output is correct
35 Correct 3006 ms 220448 KB Output is correct
36 Correct 3043 ms 220752 KB Output is correct
37 Correct 4327 ms 220684 KB Output is correct
38 Correct 4679 ms 220708 KB Output is correct
39 Correct 2776 ms 220676 KB Output is correct
40 Correct 2765 ms 220724 KB Output is correct
41 Correct 3237 ms 220808 KB Output is correct
42 Correct 3005 ms 220636 KB Output is correct
43 Correct 2993 ms 220892 KB Output is correct
44 Correct 2787 ms 220708 KB Output is correct
45 Correct 3161 ms 205976 KB Output is correct
46 Correct 3022 ms 220840 KB Output is correct
47 Correct 3029 ms 220736 KB Output is correct
48 Correct 2961 ms 220732 KB Output is correct
49 Correct 2941 ms 220724 KB Output is correct
50 Correct 2726 ms 205092 KB Output is correct
51 Correct 2951 ms 220840 KB Output is correct

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 3121 ms 218680 KB Output is correct
21 Correct 4431 ms 218708 KB Output is correct
22 Correct 4950 ms 218628 KB Output is correct
23 Correct 3134 ms 220348 KB Output is correct
24 Correct 2933 ms 220420 KB Output is correct
25 Correct 3382 ms 220336 KB Output is correct
26 Correct 3073 ms 220560 KB Output is correct
27 Correct 3182 ms 220480 KB Output is correct
28 Correct 2827 ms 220376 KB Output is correct
29 Correct 3254 ms 205584 KB Output is correct
30 Correct 3069 ms 220260 KB Output is correct
31 Correct 3101 ms 220312 KB Output is correct
32 Correct 3118 ms 220312 KB Output is correct
33 Correct 3118 ms 220256 KB Output is correct
34 Correct 2815 ms 204704 KB Output is correct
35 Correct 3006 ms 220448 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1936 ms 229920 KB Output is correct
40 Correct 2058 ms 229660 KB Output is correct
41 Correct 1875 ms 229644 KB Output is correct
42 Correct 2137 ms 231680 KB Output is correct
43 Correct 2172 ms 232128 KB Output is correct
44 Correct 2092 ms 231676 KB Output is correct
45 Correct 1875 ms 229688 KB Output is correct
46 Correct 2194 ms 231628 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 196 ms 14752 KB Output is correct
49 Correct 191 ms 14860 KB Output is correct
50 Correct 201 ms 14852 KB Output is correct
51 Correct 205 ms 14812 KB Output is correct
52 Correct 194 ms 14756 KB Output is correct
53 Correct 195 ms 15068 KB Output is correct
54 Correct 203 ms 14768 KB Output is correct
55 Correct 199 ms 14832 KB Output is correct
56 Correct 201 ms 14848 KB Output is correct
57 Correct 195 ms 14812 KB Output is correct
58 Correct 210 ms 14800 KB Output is correct
59 Correct 213 ms 14752 KB Output is correct
60 Correct 194 ms 15288 KB Output is correct
61 Correct 194 ms 14592 KB Output is correct
62 Correct 3043 ms 220752 KB Output is correct
63 Correct 4327 ms 220684 KB Output is correct
64 Correct 4679 ms 220708 KB Output is correct
65 Correct 2776 ms 220676 KB Output is correct
66 Correct 2765 ms 220724 KB Output is correct
67 Correct 3237 ms 220808 KB Output is correct
68 Correct 3005 ms 220636 KB Output is correct
69 Correct 2993 ms 220892 KB Output is correct
70 Correct 2787 ms 220708 KB Output is correct
71 Correct 3161 ms 205976 KB Output is correct
72 Correct 3022 ms 220840 KB Output is correct
73 Correct 3029 ms 220736 KB Output is correct
74 Correct 2961 ms 220732 KB Output is correct
75 Correct 2941 ms 220724 KB Output is correct
76 Correct 2726 ms 205092 KB Output is correct
77 Correct 2951 ms 220840 KB Output is correct
78 Correct 3158 ms 240196 KB Output is correct
79 Correct 4340 ms 242024 KB Output is correct
80 Execution timed out 5056 ms 241044 KB Time limit exceeded
81 Halted 0 ms 0 KB -