Submission #243889

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
243889	2020-07-02T04:52:17 Z	Nson	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	100 / 100	428 ms	228748 KB

skyscraper

// modified from Leonardo_Paes's code https://pastebin.com/RUnXKRRp
#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;
typedef pair<int,pii> pip;
#define f first
#define s second
const int maxn = 3e4+10, magic = 200, inf = 0x3f3f3f3f;
int b[maxn], p[maxn], dist1[maxn], dist2[maxn][magic+5];
vector<int> doges[maxn];
bool mark[maxn];
vector<pii> fila[maxn*magic];
int main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
    int n, m;
    cin >> n >> m;
    for(int i=0; i<m; i++){
        cin >> b[i] >> p[i];
        doges[b[i]].push_back(i);
    }
    memset(dist1, inf, sizeof dist1);
    memset(dist2, inf, sizeof dist2);
    fila[0].push_back({b[0], 0});
	for(int d = 0; !fila[d].empty(); d++) {
		while(!fila[d].empty()){
			int u = fila[d].back().f, id = fila[d].back().s;
			int power = p[id];
			fila[d].pop_back();
			if(power <= magic){
				if(dist2[u][power] == inf) dist2[u][power] = d;
				if(u + power < n and dist2[u + power][power] == inf){
					fila[d + 1].push_back({u + power, id});
					dist2[u + power][power] = d + 1;
				}
				if(u - power >= 0 and dist2[u - power][power] == inf){
					fila[d + 1].push_back({u - power, id});
					dist2[u - power][power] = d + 1;
				}
			}
			else{
				if(dist1[u] == inf) dist1[u] = d;
				if(!mark[id]){
					mark[id] = 1;
					for(int v=u+power, qtd=1; v<n; v+=power, qtd++) fila[d+qtd].push_back({v, id});
					for(int v=u-power, qtd=1; v>=0; v-=power, qtd++) fila[d+qtd].push_back({v, id});
				}
			}
			if(!doges[u].empty()){
				for(auto v : doges[u]) fila[d].push_back({u, v});
				doges[u].clear();
			}
		}
	}
    int ans = dist1[b[1]];
    for(int i=1; i<=magic; i++) ans = min(ans, dist2[b[1]][i]);
    cout << (ans == inf ? -1 : ans) << "\n";
    return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	104 ms	166276 KB	Output is correct
2	Correct	103 ms	166144 KB	Output is correct
3	Correct	105 ms	166264 KB	Output is correct
4	Correct	102 ms	166244 KB	Output is correct
5	Correct	105 ms	166264 KB	Output is correct
6	Correct	102 ms	166136 KB	Output is correct
7	Correct	109 ms	166136 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	105 ms	166144 KB	Output is correct
2	Correct	101 ms	166140 KB	Output is correct
3	Correct	101 ms	166136 KB	Output is correct
4	Correct	100 ms	166136 KB	Output is correct
5	Correct	101 ms	166264 KB	Output is correct
6	Correct	102 ms	166268 KB	Output is correct
7	Correct	102 ms	166264 KB	Output is correct
8	Correct	101 ms	166136 KB	Output is correct
9	Correct	103 ms	166416 KB	Output is correct
10	Correct	107 ms	166264 KB	Output is correct
11	Correct	101 ms	166224 KB	Output is correct
12	Correct	103 ms	166392 KB	Output is correct
13	Correct	102 ms	166264 KB	Output is correct
14	Correct	105 ms	166264 KB	Output is correct
15	Correct	102 ms	166264 KB	Output is correct

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	103 ms	166124 KB	Output is correct
2	Correct	103 ms	166136 KB	Output is correct
3	Correct	111 ms	166136 KB	Output is correct
4	Correct	101 ms	166264 KB	Output is correct
5	Correct	103 ms	166136 KB	Output is correct
6	Correct	101 ms	166180 KB	Output is correct
7	Correct	102 ms	166136 KB	Output is correct
8	Correct	114 ms	166136 KB	Output is correct
9	Correct	102 ms	166244 KB	Output is correct
10	Correct	105 ms	166264 KB	Output is correct
11	Correct	104 ms	166264 KB	Output is correct
12	Correct	104 ms	166264 KB	Output is correct
13	Correct	105 ms	166264 KB	Output is correct
14	Correct	103 ms	166264 KB	Output is correct
15	Correct	104 ms	166264 KB	Output is correct
16	Correct	103 ms	166140 KB	Output is correct
17	Correct	106 ms	166392 KB	Output is correct
18	Correct	101 ms	166264 KB	Output is correct
19	Correct	106 ms	166136 KB	Output is correct
20	Correct	114 ms	166392 KB	Output is correct
21	Correct	103 ms	166264 KB	Output is correct
22	Correct	102 ms	166172 KB	Output is correct
23	Correct	102 ms	166264 KB	Output is correct
24	Correct	112 ms	166372 KB	Output is correct
25	Correct	102 ms	166392 KB	Output is correct
26	Correct	106 ms	166392 KB	Output is correct
27	Correct	103 ms	166392 KB	Output is correct
28	Correct	105 ms	166904 KB	Output is correct
29	Correct	102 ms	166952 KB	Output is correct
30	Correct	101 ms	166392 KB	Output is correct
31	Correct	102 ms	166776 KB	Output is correct
32	Correct	103 ms	166520 KB	Output is correct
33	Correct	105 ms	167288 KB	Output is correct
34	Correct	103 ms	167416 KB	Output is correct

Subtask #4
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	102 ms	166136 KB	Output is correct
2	Correct	102 ms	166264 KB	Output is correct
3	Correct	119 ms	166136 KB	Output is correct
4	Correct	115 ms	166136 KB	Output is correct
5	Correct	99 ms	166136 KB	Output is correct
6	Correct	99 ms	166172 KB	Output is correct
7	Correct	100 ms	166264 KB	Output is correct
8	Correct	105 ms	166192 KB	Output is correct
9	Correct	114 ms	166264 KB	Output is correct
10	Correct	101 ms	166320 KB	Output is correct
11	Correct	104 ms	166264 KB	Output is correct
12	Correct	108 ms	166392 KB	Output is correct
13	Correct	103 ms	166264 KB	Output is correct
14	Correct	101 ms	166264 KB	Output is correct
15	Correct	101 ms	166392 KB	Output is correct
16	Correct	102 ms	166264 KB	Output is correct
17	Correct	103 ms	166532 KB	Output is correct
18	Correct	109 ms	166264 KB	Output is correct
19	Correct	105 ms	166136 KB	Output is correct
20	Correct	102 ms	166264 KB	Output is correct
21	Correct	100 ms	166268 KB	Output is correct
22	Correct	101 ms	166264 KB	Output is correct
23	Correct	101 ms	166264 KB	Output is correct
24	Correct	102 ms	166392 KB	Output is correct
25	Correct	101 ms	166392 KB	Output is correct
26	Correct	103 ms	166520 KB	Output is correct
27	Correct	103 ms	166392 KB	Output is correct
28	Correct	112 ms	166904 KB	Output is correct
29	Correct	105 ms	166904 KB	Output is correct
30	Correct	101 ms	166520 KB	Output is correct
31	Correct	103 ms	166648 KB	Output is correct
32	Correct	101 ms	166520 KB	Output is correct
33	Correct	108 ms	167416 KB	Output is correct
34	Correct	104 ms	167288 KB	Output is correct
35	Correct	111 ms	167292 KB	Output is correct
36	Correct	104 ms	166392 KB	Output is correct
37	Correct	116 ms	167924 KB	Output is correct
38	Correct	111 ms	167924 KB	Output is correct
39	Correct	124 ms	167916 KB	Output is correct
40	Correct	114 ms	167868 KB	Output is correct
41	Correct	118 ms	167876 KB	Output is correct
42	Correct	106 ms	167032 KB	Output is correct
43	Correct	107 ms	167032 KB	Output is correct
44	Correct	109 ms	167032 KB	Output is correct
45	Correct	119 ms	170452 KB	Output is correct
46	Correct	121 ms	170424 KB	Output is correct

Subtask #5
43.0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	101 ms	166264 KB	Output is correct
2	Correct	111 ms	166136 KB	Output is correct
3	Correct	111 ms	166136 KB	Output is correct
4	Correct	100 ms	166136 KB	Output is correct
5	Correct	108 ms	166184 KB	Output is correct
6	Correct	114 ms	166136 KB	Output is correct
7	Correct	102 ms	166136 KB	Output is correct
8	Correct	104 ms	166264 KB	Output is correct
9	Correct	104 ms	166136 KB	Output is correct
10	Correct	100 ms	166136 KB	Output is correct
11	Correct	102 ms	166264 KB	Output is correct
12	Correct	100 ms	166264 KB	Output is correct
13	Correct	104 ms	166264 KB	Output is correct
14	Correct	105 ms	166264 KB	Output is correct
15	Correct	104 ms	166240 KB	Output is correct
16	Correct	100 ms	166136 KB	Output is correct
17	Correct	101 ms	166392 KB	Output is correct
18	Correct	109 ms	166264 KB	Output is correct
19	Correct	101 ms	166136 KB	Output is correct
20	Correct	101 ms	166392 KB	Output is correct
21	Correct	110 ms	166264 KB	Output is correct
22	Correct	114 ms	166264 KB	Output is correct
23	Correct	109 ms	166256 KB	Output is correct
24	Correct	112 ms	166392 KB	Output is correct
25	Correct	118 ms	166392 KB	Output is correct
26	Correct	102 ms	166392 KB	Output is correct
27	Correct	102 ms	166392 KB	Output is correct
28	Correct	103 ms	166904 KB	Output is correct
29	Correct	116 ms	166904 KB	Output is correct
30	Correct	102 ms	166392 KB	Output is correct
31	Correct	112 ms	166648 KB	Output is correct
32	Correct	112 ms	166520 KB	Output is correct
33	Correct	116 ms	167288 KB	Output is correct
34	Correct	115 ms	167416 KB	Output is correct
35	Correct	112 ms	167416 KB	Output is correct
36	Correct	105 ms	166452 KB	Output is correct
37	Correct	116 ms	167924 KB	Output is correct
38	Correct	114 ms	167900 KB	Output is correct
39	Correct	123 ms	167924 KB	Output is correct
40	Correct	116 ms	167996 KB	Output is correct
41	Correct	115 ms	168008 KB	Output is correct
42	Correct	107 ms	167160 KB	Output is correct
43	Correct	110 ms	167032 KB	Output is correct
44	Correct	111 ms	167032 KB	Output is correct
45	Correct	123 ms	170580 KB	Output is correct
46	Correct	123 ms	170536 KB	Output is correct
47	Correct	146 ms	173540 KB	Output is correct
48	Correct	109 ms	166844 KB	Output is correct
49	Correct	109 ms	166776 KB	Output is correct
50	Correct	109 ms	166648 KB	Output is correct
51	Correct	130 ms	170232 KB	Output is correct
52	Correct	135 ms	170488 KB	Output is correct
53	Correct	132 ms	168312 KB	Output is correct
54	Correct	109 ms	166776 KB	Output is correct
55	Correct	104 ms	166968 KB	Output is correct
56	Correct	116 ms	168316 KB	Output is correct
57	Correct	125 ms	171000 KB	Output is correct
58	Correct	115 ms	168820 KB	Output is correct
59	Correct	115 ms	169588 KB	Output is correct
60	Correct	118 ms	169464 KB	Output is correct
61	Correct	116 ms	169336 KB	Output is correct
62	Correct	175 ms	181496 KB	Output is correct
63	Correct	157 ms	187180 KB	Output is correct
64	Correct	177 ms	191620 KB	Output is correct
65	Correct	265 ms	202384 KB	Output is correct
66	Correct	428 ms	228268 KB	Output is correct
67	Correct	396 ms	228748 KB	Output is correct

Submission #243889

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 12.0 / 12.0

Subtask #3 14.0 / 14.0

Subtask #4 21.0 / 21.0

Subtask #5 43.0 / 43.0

Subtask #1
10.0 / 10.0

Subtask #2
12.0 / 12.0

Subtask #3
14.0 / 14.0

Subtask #4
21.0 / 21.0

Subtask #5
43.0 / 43.0