oj.uz

Submission #436899

# Submission time Handle Problem Language Result Execution time Memory
436899 2021-06-25T08:00:47 Z Karliver Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 49 ms 10268 KB 
 
	
#include <bits/stdc++.h>

#define FIXED_FLOAT(x)  std::fixed <<std::setprecision(20) << (x)
#define all(v) (v).begin(), (v).end()
using namespace  std;
#define forn(i,n) for (int i = 0; i < (n); ++i)
#define rforn(i, n) for(int i = (n) - 1;i >= 0;--i)
using ll = long long;
int mod = (ll)1e9 + 7;
#define PI acos(-1)
typedef pair<int, int> pairs;

const int INF = 1e9 + 1;
const int N = 2e5 + 100;
const double eps = 1e-7;

template <class T> using V = vector<T>;  
template <class T> using VV = V<V<T>>;  

template <typename XPAX>
void ckma(XPAX &x, XPAX y) {
    x = (x < y ? y : x);
}
template <typename XPAX>
void ckmi(XPAX &x, XPAX y) {
    x = (x > y ? y : x);
}
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
void solve() {


	int n, m;
	cin >> n >> m;

	V<set<int>> s(n);
	VV<pairs> g(n);
	V<int> f(m), p(m);
	
	V<int> vis(n, false);

	forn(i, m) {
		cin >> f[i] >> p[i];

		s[f[i]].insert(p[i]);
		
	}


	int x;
	for(int i = 0;i < n;++i) {
		for(auto c : s[i]) {
			x = i - c;
			while(x >= 0) {
				if(s[x].size())g[i].push_back({(i - x) / c, x});
				if(s[x].count(c))break;
				x -= c;
			}

			x = i + c;
			while(x < n) {
				if(s[x].size())g[i].push_back({(x - i) / c, x});
				if(s[x].count(c))break;
				x += c;
			}
		}
	}



	

	priority_queue<pairs, V<pairs>, greater<pairs>> q;

	q.push({0, f[0]});
	V<int> dis(n, INF);
	dis[f[0]] = 0;

	//debug(dis);
	while(q.size()) {
		x = q.top().second;
		int s = q.top().first;
		q.pop();

		if(vis[x])continue;
		vis[x] = 1;
		if(x == f[1]) {
			cout << s << '\n';
			exit(0);
		}
		for(auto c : g[x]) {
			if(s + c.first < dis[c.second]) {
				q.push({s + c.first, c.second});
				dis[c.second] = s + c.first;
			}
		}
	}


	cout << -1 << '\n';






}
void test_case() {
    int t;
    cin >> t;
    forn(p, t) {

        //cout << "Case #" << p + 1 << ": ";
        solve();
    }
}
int main() {

    ios::sync_with_stdio(false);
    cin.tie(0);

    solve();

}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 2 ms 460 KB Output is correct
15 Correct 1 ms 460 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 2 ms 460 KB Output is correct
15 Correct 2 ms 460 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 2 ms 588 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 588 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 460 KB Output is correct
23 Correct 1 ms 460 KB Output is correct
24 Correct 2 ms 612 KB Output is correct
25 Correct 1 ms 588 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 2 ms 716 KB Output is correct
29 Correct 2 ms 460 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 1 ms 460 KB Output is correct
32 Correct 1 ms 460 KB Output is correct
33 Correct 2 ms 588 KB Output is correct
34 Correct 2 ms 588 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 3 ms 588 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 2 ms 588 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 460 KB Output is correct
23 Correct 1 ms 460 KB Output is correct
24 Correct 2 ms 588 KB Output is correct
25 Correct 2 ms 588 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 2 ms 716 KB Output is correct
29 Correct 1 ms 460 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 1 ms 460 KB Output is correct
32 Correct 1 ms 460 KB Output is correct
33 Correct 2 ms 588 KB Output is correct
34 Correct 2 ms 588 KB Output is correct
35 Correct 21 ms 2792 KB Output is correct
36 Correct 3 ms 844 KB Output is correct
37 Correct 18 ms 3564 KB Output is correct
38 Correct 21 ms 3832 KB Output is correct
39 Correct 21 ms 3788 KB Output is correct
40 Correct 21 ms 3744 KB Output is correct
41 Correct 22 ms 3788 KB Output is correct
42 Correct 6 ms 716 KB Output is correct
43 Correct 6 ms 716 KB Output is correct
44 Correct 6 ms 844 KB Output is correct
45 Correct 18 ms 2380 KB Output is correct
46 Correct 16 ms 2368 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 3 ms 460 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 2 ms 460 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 3 ms 588 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 2 ms 460 KB Output is correct
20 Correct 2 ms 588 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 460 KB Output is correct
23 Correct 1 ms 460 KB Output is correct
24 Correct 2 ms 588 KB Output is correct
25 Correct 2 ms 588 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 2 ms 716 KB Output is correct
29 Correct 1 ms 500 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 1 ms 460 KB Output is correct
32 Correct 1 ms 460 KB Output is correct
33 Correct 2 ms 588 KB Output is correct
34 Correct 2 ms 588 KB Output is correct
35 Correct 16 ms 2752 KB Output is correct
36 Correct 3 ms 844 KB Output is correct
37 Correct 18 ms 3532 KB Output is correct
38 Correct 21 ms 3788 KB Output is correct
39 Correct 21 ms 3740 KB Output is correct
40 Correct 21 ms 3772 KB Output is correct
41 Correct 22 ms 3856 KB Output is correct
42 Correct 6 ms 716 KB Output is correct
43 Correct 6 ms 716 KB Output is correct
44 Correct 6 ms 844 KB Output is correct
45 Correct 16 ms 2380 KB Output is correct
46 Correct 16 ms 2436 KB Output is correct
47 Correct 42 ms 10268 KB Output is correct
48 Correct 18 ms 4812 KB Output is correct
49 Correct 15 ms 4316 KB Output is correct
50 Correct 14 ms 4004 KB Output is correct
51 Correct 28 ms 7048 KB Output is correct
52 Correct 28 ms 7316 KB Output is correct
53 Correct 15 ms 4916 KB Output is correct
54 Correct 2 ms 2636 KB Output is correct
55 Correct 2 ms 2636 KB Output is correct
56 Correct 15 ms 5196 KB Output is correct
57 Correct 7 ms 3404 KB Output is correct
58 Correct 7 ms 2796 KB Output is correct
59 Correct 10 ms 2796 KB Output is correct
60 Correct 8 ms 2892 KB Output is correct
61 Correct 9 ms 3020 KB Output is correct
62 Correct 26 ms 9384 KB Output is correct
63 Correct 24 ms 4456 KB Output is correct
64 Correct 28 ms 4428 KB Output is correct
65 Correct 32 ms 4428 KB Output is correct
66 Correct 44 ms 4600 KB Output is correct
67 Correct 49 ms 4584 KB Output is correct