Submission #443585

# Submission time Handle Problem Language Result Execution time Memory
443585 2021-07-10T23:24:10 Z arwaeystoamneg Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
886 ms 24872 KB
// EXPLOSION!
#define _CRT_SECURE_NO_WARNINGS
#include<bits/stdc++.h>
#include<unordered_set>
#include<unordered_map>
#include<chrono>

using namespace std;
typedef pair<int, int> pii;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef long double ld;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pair<int, int>> vpi;
typedef vector<pair<ll, ll>> vpll;

#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define trav(a,x) for (auto& a: x)

#define pb push_back
#define mp make_pair
#define rsz resize
#define sz(x) int(x.size())
#define all(x) x.begin(),x.end()
#define f first
#define s second
#define cont continue
#define endl '\n'
//#define ednl '\n'
#define test int testc;cin>>testc;while(testc--)
#define pr(a, b) trav(x,a)cerr << x << b; cerr << endl;
#define message cout << "Hello World" << endl;
const int dx[4] = { 1,0,-1,0 }, dy[4] = { 0,1,0,-1 }; // for every grid problem!!
const ll linf = 4000000000000000000LL;
const ll inf = 998244353;//    1000000007

void pv(vi a) { trav(x, a)cout << x << " "; cout << endl; }void pv(vll a) { trav(x, a)cout << x << " "; cout << endl; }void pv(vector<vi>a) {
	F0R(i, sz(a)) { cout << i << endl; pv(a[i]); cout << endl; }
}void pv(vector<vll>a) { F0R(i, sz(a)) { cout << i << endl; pv(a[i]); }cout << endl; }void pv(vector<string>a) { trav(x, a)cout << x << endl; cout << endl; }
void setIO(string s) {
	ios_base::sync_with_stdio(0); cin.tie(0);
#ifdef arwaeystoamneg
	if (sz(s))
	{
		freopen((s + ".in").c_str(), "r", stdin);
		if (s != "test1")
			freopen((s + ".out").c_str(), "w", stdout);
	}
#endif
}
const int MAX = 33333, k = 170;
int n, m;
pii a[MAX];
int dist[MAX][k];
vi b[MAX];
int main()
{
	setIO("test1");
	cin >> m >> n;
	F0R(i, n)cin >> a[i].f >> a[i].s;
	F0R(i, n)b[a[i].f].pb(a[i].s);
	F0R(i, m)fill(dist[i], dist[i] + k, inf);
	dist[a[0].f][0] = 0;
	// dist, position, len. len = 0 means too big
	priority_queue<pair<int, pii>, vector<pair<int, pii>>, greater<pair<int, pii>>>todo;
	todo.push({ 0,{a[0].f,0} });
	while (sz(todo))
	{
		pair<int, pii> t = todo.top();
		todo.pop();
		int i = t.s.f, j = t.s.s;
		if (dist[i][j] != t.f)continue;
		if (j == 0)
		{
			trav(x, b[i])
			{
				if (x >= k)
				{
					int c = 0;
					for (int j = i; j >= 0; j -= x, c++)
					{
						if (dist[j][0] > dist[i][0] + c)
						{
							dist[j][0] = dist[i][0] + c;
							todo.push({ dist[j][0], {j,0} });
						}
					}
					c = 1;
					for (int j = i + x; j < m; j += x, c++)
					{
						if (dist[j][0] > dist[i][0] + c)
						{
							dist[j][0] = dist[i][0] + c;
							todo.push({ dist[j][0], {j,0} });
						}
					}
				}
				else
				{
					dist[i][x] = dist[i][0];
					todo.push({ dist[i][x],{i,x} });
				}
			}
		}
		else
		{
			if (i - j >= 0 && dist[i - j][j] > dist[i][j] + 1)
			{
				dist[i - j][j] = dist[i][j] + 1;
				todo.push({ dist[i - j][j], {i - j, j} });
				if (dist[i - j][0] > dist[i - j][j])
				{
					dist[i - j][0] = dist[i - j][j];
					todo.push({ dist[i - j][0],{i - j, 0} });
				}
			}
			if (i + j < m && dist[i + j][j] > dist[i][j] + 1)
			{
				dist[i + j][j] = dist[i][j] + 1;
				todo.push({ dist[i + j][j], {i + j, j} });
				if (dist[i + j][0] > dist[i + j][j])
				{
					dist[i + j][0] = dist[i + j][j];
					todo.push({ dist[i + j][0],{i + j, 0} });
				}
			}
		}
	}
	cout << (dist[a[1].f][0] == inf ? -1 : dist[a[1].f][0]) << endl;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1100 KB Output is correct
2 Correct 1 ms 1100 KB Output is correct
3 Correct 1 ms 1100 KB Output is correct
4 Correct 1 ms 1100 KB Output is correct
5 Correct 1 ms 1100 KB Output is correct
6 Correct 1 ms 1100 KB Output is correct
7 Correct 1 ms 1100 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1100 KB Output is correct
2 Correct 1 ms 1100 KB Output is correct
3 Correct 1 ms 1100 KB Output is correct
4 Correct 1 ms 1100 KB Output is correct
5 Correct 1 ms 1100 KB Output is correct
6 Correct 1 ms 1100 KB Output is correct
7 Correct 1 ms 1100 KB Output is correct
8 Correct 1 ms 1100 KB Output is correct
9 Correct 1 ms 1100 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 2 ms 1228 KB Output is correct
12 Correct 1 ms 1228 KB Output is correct
13 Correct 1 ms 1228 KB Output is correct
14 Correct 2 ms 1228 KB Output is correct
15 Correct 2 ms 1228 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1100 KB Output is correct
2 Correct 1 ms 1100 KB Output is correct
3 Correct 1 ms 1100 KB Output is correct
4 Correct 1 ms 1100 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 1 ms 1100 KB Output is correct
7 Correct 1 ms 1100 KB Output is correct
8 Correct 1 ms 1100 KB Output is correct
9 Correct 1 ms 1100 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 2 ms 1228 KB Output is correct
12 Correct 1 ms 1228 KB Output is correct
13 Correct 1 ms 1228 KB Output is correct
14 Correct 2 ms 1228 KB Output is correct
15 Correct 2 ms 1228 KB Output is correct
16 Correct 1 ms 1228 KB Output is correct
17 Correct 3 ms 1612 KB Output is correct
18 Correct 2 ms 2252 KB Output is correct
19 Correct 2 ms 2380 KB Output is correct
20 Correct 2 ms 2508 KB Output is correct
21 Correct 1 ms 1356 KB Output is correct
22 Correct 2 ms 2252 KB Output is correct
23 Correct 3 ms 2124 KB Output is correct
24 Correct 3 ms 2412 KB Output is correct
25 Correct 3 ms 2380 KB Output is correct
26 Correct 3 ms 2508 KB Output is correct
27 Correct 2 ms 2508 KB Output is correct
28 Correct 3 ms 2508 KB Output is correct
29 Correct 9 ms 2380 KB Output is correct
30 Correct 4 ms 2380 KB Output is correct
31 Correct 6 ms 2380 KB Output is correct
32 Correct 5 ms 2380 KB Output is correct
33 Correct 17 ms 2548 KB Output is correct
34 Correct 17 ms 2540 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1100 KB Output is correct
2 Correct 1 ms 1100 KB Output is correct
3 Correct 1 ms 1100 KB Output is correct
4 Correct 1 ms 1100 KB Output is correct
5 Correct 1 ms 1100 KB Output is correct
6 Correct 1 ms 1100 KB Output is correct
7 Correct 1 ms 1100 KB Output is correct
8 Correct 1 ms 1100 KB Output is correct
9 Correct 1 ms 1100 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 2 ms 1216 KB Output is correct
12 Correct 1 ms 1228 KB Output is correct
13 Correct 1 ms 1228 KB Output is correct
14 Correct 2 ms 1228 KB Output is correct
15 Correct 2 ms 1228 KB Output is correct
16 Correct 1 ms 1228 KB Output is correct
17 Correct 3 ms 1612 KB Output is correct
18 Correct 2 ms 2252 KB Output is correct
19 Correct 2 ms 2380 KB Output is correct
20 Correct 2 ms 2508 KB Output is correct
21 Correct 1 ms 1356 KB Output is correct
22 Correct 2 ms 2252 KB Output is correct
23 Correct 2 ms 2124 KB Output is correct
24 Correct 3 ms 2380 KB Output is correct
25 Correct 3 ms 2380 KB Output is correct
26 Correct 3 ms 2508 KB Output is correct
27 Correct 2 ms 2508 KB Output is correct
28 Correct 3 ms 2508 KB Output is correct
29 Correct 9 ms 2380 KB Output is correct
30 Correct 4 ms 2380 KB Output is correct
31 Correct 6 ms 2380 KB Output is correct
32 Correct 4 ms 2380 KB Output is correct
33 Correct 17 ms 2508 KB Output is correct
34 Correct 17 ms 2540 KB Output is correct
35 Correct 16 ms 2580 KB Output is correct
36 Correct 4 ms 1868 KB Output is correct
37 Correct 23 ms 2920 KB Output is correct
38 Correct 22 ms 3020 KB Output is correct
39 Correct 22 ms 3020 KB Output is correct
40 Correct 22 ms 3020 KB Output is correct
41 Correct 22 ms 3064 KB Output is correct
42 Correct 10 ms 3404 KB Output is correct
43 Correct 10 ms 3404 KB Output is correct
44 Correct 10 ms 3328 KB Output is correct
45 Correct 58 ms 3320 KB Output is correct
46 Correct 62 ms 3316 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1100 KB Output is correct
2 Correct 1 ms 1100 KB Output is correct
3 Correct 1 ms 1100 KB Output is correct
4 Correct 1 ms 1100 KB Output is correct
5 Correct 1 ms 1100 KB Output is correct
6 Correct 1 ms 1100 KB Output is correct
7 Correct 1 ms 1100 KB Output is correct
8 Correct 1 ms 1100 KB Output is correct
9 Correct 1 ms 1100 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 2 ms 1228 KB Output is correct
12 Correct 1 ms 1228 KB Output is correct
13 Correct 1 ms 1228 KB Output is correct
14 Correct 2 ms 1356 KB Output is correct
15 Correct 2 ms 1228 KB Output is correct
16 Correct 1 ms 1228 KB Output is correct
17 Correct 3 ms 1612 KB Output is correct
18 Correct 2 ms 2252 KB Output is correct
19 Correct 2 ms 2380 KB Output is correct
20 Correct 2 ms 2508 KB Output is correct
21 Correct 1 ms 1356 KB Output is correct
22 Correct 2 ms 2252 KB Output is correct
23 Correct 2 ms 2124 KB Output is correct
24 Correct 3 ms 2392 KB Output is correct
25 Correct 2 ms 2380 KB Output is correct
26 Correct 3 ms 2508 KB Output is correct
27 Correct 2 ms 2508 KB Output is correct
28 Correct 3 ms 2524 KB Output is correct
29 Correct 10 ms 2468 KB Output is correct
30 Correct 3 ms 2440 KB Output is correct
31 Correct 6 ms 2380 KB Output is correct
32 Correct 5 ms 2464 KB Output is correct
33 Correct 17 ms 2636 KB Output is correct
34 Correct 17 ms 2508 KB Output is correct
35 Correct 16 ms 2636 KB Output is correct
36 Correct 4 ms 1868 KB Output is correct
37 Correct 23 ms 2892 KB Output is correct
38 Correct 21 ms 3064 KB Output is correct
39 Correct 22 ms 3060 KB Output is correct
40 Correct 22 ms 3056 KB Output is correct
41 Correct 22 ms 3020 KB Output is correct
42 Correct 10 ms 3404 KB Output is correct
43 Correct 10 ms 3420 KB Output is correct
44 Correct 10 ms 3388 KB Output is correct
45 Correct 58 ms 3340 KB Output is correct
46 Correct 60 ms 3340 KB Output is correct
47 Correct 95 ms 10364 KB Output is correct
48 Correct 16 ms 17100 KB Output is correct
49 Correct 16 ms 18580 KB Output is correct
50 Correct 15 ms 20056 KB Output is correct
51 Correct 60 ms 22404 KB Output is correct
52 Correct 67 ms 22432 KB Output is correct
53 Correct 27 ms 21836 KB Output is correct
54 Correct 13 ms 20940 KB Output is correct
55 Correct 13 ms 21068 KB Output is correct
56 Correct 25 ms 22152 KB Output is correct
57 Correct 93 ms 21176 KB Output is correct
58 Correct 25 ms 22028 KB Output is correct
59 Correct 27 ms 22020 KB Output is correct
60 Correct 31 ms 22036 KB Output is correct
61 Correct 28 ms 21964 KB Output is correct
62 Correct 53 ms 22340 KB Output is correct
63 Correct 67 ms 23128 KB Output is correct
64 Correct 73 ms 23120 KB Output is correct
65 Correct 313 ms 23240 KB Output is correct
66 Correct 873 ms 24668 KB Output is correct
67 Correct 886 ms 24872 KB Output is correct