oj.uz

답안 #498052

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
498052 2021-12-24T10:16:32 Z the_visitor2341 Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 225 ms 124012 KB 
#include<bits/stdc++.h>
using namespace std;

#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 sz(v) (int)(v).size()
#define all(v) begin(v),end(v)
#define each(e,v) for(auto &e:(v))
#define pb push_back
#define f first
#define s second

typedef long long ll;

const ll INF = 1e18;


template<class T> bool ckmin(T&a, const T&b) {
	return b < a ? a = b, 1 : 0;
}

const int MX = 3e4+5;
int N,M, st,p,en;
set<int> jmp[MX];
vector<pair<ll,int>> g[MX];
ll d[MX];
priority_queue<pair<int,int>, vector<pair<int,int>>, greater<pair<int,int>>> pq;

void solve() {
	cin>>N>>M;
	cin>>st>>p;
	jmp[st].insert(p);
	cin>>en>>p;
	FOR(i,2,M) {
		int b;
		cin>>b>>p;
		jmp[b].insert(p);
	}
	F0R(i,N) {
		each(p,jmp[i]) {
			for(int j = 1; ; j++) {
				int pos = i+j*p;
				if(pos<0 || pos>=N) break;
				g[i].pb({pos,j});
				if(jmp[pos].count(p)) break;
			}
		}
	}
	F0R(i,N) {
		each(p,jmp[i]) {
			for(int j = 1;; j++) {
				int pos = i-j*p;
				if(pos<0 || pos>=N) break;
				g[i].pb({pos,j});
				if(jmp[pos].count(p)) break;
			}
		}
	}
	memset(d,0x3f,sizeof d);
	pq.push({d[st] = 0, st});
	while(sz(pq)) {
		int u = pq.top().s; ll du = pq.top().f;
		pq.pop();
		if(du > d[u]) continue;
		F0R(i,sz(g[u])) {
			int v = g[u][i].f; ll dv = du + g[u][i].s;
			if(ckmin(d[v],dv)) {
				pq.push({d[v],v});
			}
		}
	}
	if(d[en] >= INF) {
		cout << "-1\n";
	}
	else cout << d[en] << "\n";
}

int main() {
	int t=1;
	//cin>>t;
	while(t-->0) solve();
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2636 KB Output is correct
2 Correct 1 ms 2636 KB Output is correct
3 Correct 1 ms 2636 KB Output is correct
4 Correct 1 ms 2636 KB Output is correct
5 Correct 1 ms 2636 KB Output is correct
6 Correct 1 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2636 KB Output is correct
2 Correct 1 ms 2636 KB Output is correct
3 Correct 1 ms 2636 KB Output is correct
4 Correct 1 ms 2636 KB Output is correct
5 Correct 2 ms 2636 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2544 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 2 ms 2636 KB Output is correct
10 Correct 2 ms 2676 KB Output is correct
11 Correct 3 ms 2764 KB Output is correct
12 Correct 2 ms 2636 KB Output is correct
13 Correct 2 ms 2552 KB Output is correct
14 Correct 3 ms 2804 KB Output is correct
15 Correct 3 ms 2764 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2636 KB Output is correct
2 Correct 1 ms 2636 KB Output is correct
3 Correct 1 ms 2636 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2540 KB Output is correct
6 Correct 1 ms 2636 KB Output is correct
7 Correct 1 ms 2544 KB Output is correct
8 Correct 1 ms 2636 KB Output is correct
9 Correct 2 ms 2604 KB Output is correct
10 Correct 2 ms 2668 KB Output is correct
11 Correct 3 ms 2764 KB Output is correct
12 Correct 2 ms 2548 KB Output is correct
13 Correct 3 ms 2636 KB Output is correct
14 Correct 3 ms 2764 KB Output is correct
15 Correct 3 ms 2804 KB Output is correct
16 Correct 2 ms 2764 KB Output is correct
17 Correct 4 ms 3064 KB Output is correct
18 Correct 2 ms 2764 KB Output is correct
19 Correct 2 ms 2764 KB Output is correct
20 Correct 2 ms 2764 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 2 ms 2764 KB Output is correct
23 Correct 2 ms 2764 KB Output is correct
24 Correct 3 ms 3020 KB Output is correct
25 Correct 3 ms 2892 KB Output is correct
26 Correct 3 ms 2808 KB Output is correct
27 Correct 3 ms 2764 KB Output is correct
28 Correct 3 ms 3148 KB Output is correct
29 Correct 4 ms 3960 KB Output is correct
30 Correct 2 ms 3020 KB Output is correct
31 Correct 4 ms 3404 KB Output is correct
32 Correct 2 ms 3148 KB Output is correct
33 Correct 8 ms 5116 KB Output is correct
34 Correct 8 ms 5072 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Correct 1 ms 2636 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 1 ms 2636 KB Output is correct
6 Correct 1 ms 2636 KB Output is correct
7 Correct 1 ms 2636 KB Output is correct
8 Correct 1 ms 2636 KB Output is correct
9 Correct 1 ms 2636 KB Output is correct
10 Correct 2 ms 2636 KB Output is correct
11 Correct 2 ms 2764 KB Output is correct
12 Correct 2 ms 2636 KB Output is correct
13 Correct 2 ms 2552 KB Output is correct
14 Correct 3 ms 2764 KB Output is correct
15 Correct 3 ms 2804 KB Output is correct
16 Correct 2 ms 2764 KB Output is correct
17 Correct 3 ms 3068 KB Output is correct
18 Correct 2 ms 2764 KB Output is correct
19 Correct 2 ms 2668 KB Output is correct
20 Correct 3 ms 2764 KB Output is correct
21 Correct 4 ms 2672 KB Output is correct
22 Correct 3 ms 2764 KB Output is correct
23 Correct 3 ms 2812 KB Output is correct
24 Correct 5 ms 2936 KB Output is correct
25 Correct 4 ms 2816 KB Output is correct
26 Correct 4 ms 2860 KB Output is correct
27 Correct 3 ms 2764 KB Output is correct
28 Correct 3 ms 3072 KB Output is correct
29 Correct 4 ms 3916 KB Output is correct
30 Correct 3 ms 3020 KB Output is correct
31 Correct 3 ms 3404 KB Output is correct
32 Correct 3 ms 3148 KB Output is correct
33 Correct 7 ms 5072 KB Output is correct
34 Correct 9 ms 5120 KB Output is correct
35 Correct 26 ms 6012 KB Output is correct
36 Correct 8 ms 3196 KB Output is correct
37 Correct 34 ms 7752 KB Output is correct
38 Correct 30 ms 7748 KB Output is correct
39 Correct 30 ms 7820 KB Output is correct
40 Correct 29 ms 7732 KB Output is correct
41 Correct 29 ms 7704 KB Output is correct
42 Correct 15 ms 3012 KB Output is correct
43 Correct 14 ms 2900 KB Output is correct
44 Correct 13 ms 2944 KB Output is correct
45 Correct 32 ms 12292 KB Output is correct
46 Correct 30 ms 12380 KB Output is correct

Subtask #5
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2636 KB Output is correct
2 Correct 1 ms 2636 KB Output is correct
3 Correct 1 ms 2636 KB Output is correct
4 Correct 1 ms 2636 KB Output is correct
5 Correct 2 ms 2636 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2628 KB Output is correct
9 Correct 2 ms 2540 KB Output is correct
10 Correct 2 ms 2676 KB Output is correct
11 Correct 3 ms 2804 KB Output is correct
12 Correct 2 ms 2636 KB Output is correct
13 Correct 2 ms 2636 KB Output is correct
14 Correct 3 ms 2764 KB Output is correct
15 Correct 3 ms 2764 KB Output is correct
16 Correct 2 ms 2764 KB Output is correct
17 Correct 3 ms 3020 KB Output is correct
18 Correct 2 ms 2804 KB Output is correct
19 Correct 3 ms 2764 KB Output is correct
20 Correct 3 ms 2764 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 2 ms 2764 KB Output is correct
23 Correct 3 ms 2764 KB Output is correct
24 Correct 5 ms 3020 KB Output is correct
25 Correct 3 ms 2816 KB Output is correct
26 Correct 3 ms 2764 KB Output is correct
27 Correct 3 ms 2808 KB Output is correct
28 Correct 3 ms 3148 KB Output is correct
29 Correct 4 ms 3952 KB Output is correct
30 Correct 3 ms 3020 KB Output is correct
31 Correct 4 ms 3404 KB Output is correct
32 Correct 3 ms 3148 KB Output is correct
33 Correct 7 ms 5116 KB Output is correct
34 Correct 7 ms 5072 KB Output is correct
35 Correct 23 ms 5956 KB Output is correct
36 Correct 6 ms 3140 KB Output is correct
37 Correct 25 ms 7672 KB Output is correct
38 Correct 28 ms 7712 KB Output is correct
39 Correct 32 ms 7796 KB Output is correct
40 Correct 28 ms 7664 KB Output is correct
41 Correct 30 ms 7732 KB Output is correct
42 Correct 14 ms 2992 KB Output is correct
43 Correct 14 ms 3008 KB Output is correct
44 Correct 13 ms 3016 KB Output is correct
45 Correct 31 ms 12352 KB Output is correct
46 Correct 31 ms 12272 KB Output is correct
47 Correct 58 ms 21224 KB Output is correct
48 Correct 24 ms 8240 KB Output is correct
49 Correct 22 ms 6496 KB Output is correct
50 Correct 16 ms 6136 KB Output is correct
51 Correct 46 ms 11168 KB Output is correct
52 Correct 48 ms 12020 KB Output is correct
53 Correct 23 ms 5576 KB Output is correct
54 Correct 3 ms 3016 KB Output is correct
55 Correct 4 ms 3660 KB Output is correct
56 Correct 20 ms 5628 KB Output is correct
57 Correct 42 ms 19548 KB Output is correct
58 Correct 15 ms 4164 KB Output is correct
59 Correct 20 ms 5236 KB Output is correct
60 Correct 18 ms 6080 KB Output is correct
61 Correct 18 ms 5112 KB Output is correct
62 Correct 31 ms 13504 KB Output is correct
63 Correct 84 ms 43840 KB Output is correct
64 Correct 93 ms 51524 KB Output is correct
65 Correct 124 ms 70412 KB Output is correct
66 Correct 213 ms 124012 KB Output is correct
67 Correct 225 ms 123932 KB Output is correct