답안 #47259 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
47259	2018-04-29T18:37:48 Z	yusufake	Jakarta Skyscrapers (APIO15_skyscraper)	C++	100 / 100	408 ms	210804 KB

skyscraper

#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define mp make_pair
#define st first
#define nd second

const int N   = 3e4 + 4;
const int kok = 177;
typedef long long ll;
typedef pair < int , int > pp;

vector < pp > Q[N*kok];
vector < int > V[N];
int H[N][kok],F[N],beg[N],jum[N],n,m,i,j,x,u,res;

void f(int x, int u, int t){
	if(u >= kok){
		for(int i=0;i<kok;i++){
			if(x + i*u < n && !H[x+i*u][0])
				Q[t+i].pb(mp(x+i*u,0));
			if(x - i*u >= 0 && !H[x-i*u][0])
				Q[t+i].pb(mp(x-i*u,0));
		}		
	}
	else if(!H[x][u]) Q[t].pb(mp(x,u));
}

int main(){
	cin >> n >> m;
	for(i=0;i<m;i++){
		scanf("%d%d",&beg[i],&jum[i]);
		V[ beg[i] ].pb( jum[i] );
	}		
	
	f(beg[0],jum[0],0);
for(res=0 ; res < N*kok ; res++)
	for(i=0;i<Q[res].size();i++){
  	    x = Q[res][i].st;
		u = Q[res][i].nd;
//        cout << x << " " << u << " " << res << " ss\n";
		if(x == beg[1]) { cout << res; return 0; }
		if(H[x][u]) continue;
        H[x][u] = 1;
		if(u){ if(x+u<n && !H[x+u][u])Q[res+1].pb(mp(x+u,u)); if(x-u>=0 && !H[x-u][u])Q[res+1].pb(mp(x-u,u)); } 
		if(F[x]) continue;
		F[x] = 1;
		for(j=0;j<V[x].size();j++)
			f(x,V[x][j],res);
 	}		
	
	cout << -1;
	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:39:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i=0;i<Q[res].size();i++){
          ~^~~~~~~~~~~~~~
skyscraper.cpp:49:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(j=0;j<V[x].size();j++)
           ~^~~~~~~~~~~~
skyscraper.cpp:33:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&beg[i],&jum[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	99 ms	125816 KB	Output is correct
2	Correct	98 ms	125816 KB	Output is correct
3	Correct	100 ms	125856 KB	Output is correct
4	Correct	115 ms	125908 KB	Output is correct
5	Correct	100 ms	125908 KB	Output is correct
6	Correct	101 ms	125980 KB	Output is correct
7	Correct	101 ms	125984 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	102 ms	125984 KB	Output is correct
2	Correct	100 ms	125984 KB	Output is correct
3	Correct	104 ms	126036 KB	Output is correct
4	Correct	115 ms	126120 KB	Output is correct
5	Correct	98 ms	126120 KB	Output is correct
6	Correct	100 ms	126120 KB	Output is correct
7	Correct	98 ms	126120 KB	Output is correct
8	Correct	101 ms	126160 KB	Output is correct
9	Correct	113 ms	126160 KB	Output is correct
10	Correct	104 ms	126244 KB	Output is correct
11	Correct	103 ms	126244 KB	Output is correct
12	Correct	100 ms	126244 KB	Output is correct
13	Correct	99 ms	126244 KB	Output is correct
14	Correct	100 ms	126244 KB	Output is correct
15	Correct	106 ms	126244 KB	Output is correct

Subtask #3
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	102 ms	126244 KB	Output is correct
2	Correct	100 ms	126244 KB	Output is correct
3	Correct	105 ms	126244 KB	Output is correct
4	Correct	115 ms	126244 KB	Output is correct
5	Correct	101 ms	126244 KB	Output is correct
6	Correct	102 ms	126244 KB	Output is correct
7	Correct	106 ms	126244 KB	Output is correct
8	Correct	101 ms	126244 KB	Output is correct
9	Correct	99 ms	126244 KB	Output is correct
10	Correct	105 ms	126244 KB	Output is correct
11	Correct	99 ms	126244 KB	Output is correct
12	Correct	105 ms	126244 KB	Output is correct
13	Correct	112 ms	126244 KB	Output is correct
14	Correct	99 ms	126244 KB	Output is correct
15	Correct	100 ms	126244 KB	Output is correct
16	Correct	122 ms	126244 KB	Output is correct
17	Correct	105 ms	126564 KB	Output is correct
18	Correct	128 ms	126564 KB	Output is correct
19	Correct	123 ms	126564 KB	Output is correct
20	Correct	104 ms	127516 KB	Output is correct
21	Correct	122 ms	127516 KB	Output is correct
22	Correct	122 ms	127516 KB	Output is correct
23	Correct	109 ms	127516 KB	Output is correct
24	Correct	116 ms	127516 KB	Output is correct
25	Correct	101 ms	127516 KB	Output is correct
26	Correct	104 ms	127516 KB	Output is correct
27	Correct	107 ms	127572 KB	Output is correct
28	Correct	121 ms	128100 KB	Output is correct
29	Correct	110 ms	128124 KB	Output is correct
30	Correct	111 ms	128124 KB	Output is correct
31	Correct	104 ms	128124 KB	Output is correct
32	Correct	104 ms	128124 KB	Output is correct
33	Correct	122 ms	128508 KB	Output is correct
34	Correct	109 ms	128508 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	105 ms	128508 KB	Output is correct
2	Correct	105 ms	128508 KB	Output is correct
3	Correct	117 ms	128508 KB	Output is correct
4	Correct	133 ms	128508 KB	Output is correct
5	Correct	112 ms	128508 KB	Output is correct
6	Correct	108 ms	128508 KB	Output is correct
7	Correct	106 ms	128508 KB	Output is correct
8	Correct	111 ms	128508 KB	Output is correct
9	Correct	104 ms	128508 KB	Output is correct
10	Correct	115 ms	128508 KB	Output is correct
11	Correct	113 ms	128508 KB	Output is correct
12	Correct	103 ms	128508 KB	Output is correct
13	Correct	107 ms	128508 KB	Output is correct
14	Correct	109 ms	128508 KB	Output is correct
15	Correct	113 ms	128508 KB	Output is correct
16	Correct	124 ms	128508 KB	Output is correct
17	Correct	111 ms	128508 KB	Output is correct
18	Correct	127 ms	128508 KB	Output is correct
19	Correct	131 ms	128508 KB	Output is correct
20	Correct	109 ms	128508 KB	Output is correct
21	Correct	126 ms	128508 KB	Output is correct
22	Correct	127 ms	128508 KB	Output is correct
23	Correct	124 ms	128508 KB	Output is correct
24	Correct	123 ms	128508 KB	Output is correct
25	Correct	110 ms	128508 KB	Output is correct
26	Correct	110 ms	128508 KB	Output is correct
27	Correct	116 ms	128508 KB	Output is correct
28	Correct	112 ms	128508 KB	Output is correct
29	Correct	112 ms	128508 KB	Output is correct
30	Correct	113 ms	128508 KB	Output is correct
31	Correct	110 ms	128508 KB	Output is correct
32	Correct	110 ms	128508 KB	Output is correct
33	Correct	119 ms	128508 KB	Output is correct
34	Correct	125 ms	128508 KB	Output is correct
35	Correct	126 ms	128508 KB	Output is correct
36	Correct	112 ms	128508 KB	Output is correct
37	Correct	127 ms	128508 KB	Output is correct
38	Correct	135 ms	128508 KB	Output is correct
39	Correct	123 ms	128508 KB	Output is correct
40	Correct	118 ms	128508 KB	Output is correct
41	Correct	127 ms	128508 KB	Output is correct
42	Correct	119 ms	128508 KB	Output is correct
43	Correct	126 ms	128508 KB	Output is correct
44	Correct	121 ms	128508 KB	Output is correct
45	Correct	132 ms	132084 KB	Output is correct
46	Correct	124 ms	132084 KB	Output is correct

Subtask #5
43.0 / 43.0

#	결과	실행 시간	메모리	Grader output
1	Correct	116 ms	132084 KB	Output is correct
2	Correct	112 ms	132084 KB	Output is correct
3	Correct	113 ms	132084 KB	Output is correct
4	Correct	127 ms	132084 KB	Output is correct
5	Correct	122 ms	132084 KB	Output is correct
6	Correct	113 ms	132084 KB	Output is correct
7	Correct	111 ms	132084 KB	Output is correct
8	Correct	116 ms	132084 KB	Output is correct
9	Correct	109 ms	132084 KB	Output is correct
10	Correct	108 ms	132084 KB	Output is correct
11	Correct	119 ms	132084 KB	Output is correct
12	Correct	116 ms	132084 KB	Output is correct
13	Correct	106 ms	132084 KB	Output is correct
14	Correct	120 ms	132084 KB	Output is correct
15	Correct	114 ms	132084 KB	Output is correct
16	Correct	123 ms	132084 KB	Output is correct
17	Correct	102 ms	132084 KB	Output is correct
18	Correct	133 ms	132084 KB	Output is correct
19	Correct	126 ms	132084 KB	Output is correct
20	Correct	107 ms	132084 KB	Output is correct
21	Correct	122 ms	132084 KB	Output is correct
22	Correct	123 ms	132084 KB	Output is correct
23	Correct	111 ms	132084 KB	Output is correct
24	Correct	108 ms	132084 KB	Output is correct
25	Correct	107 ms	132084 KB	Output is correct
26	Correct	103 ms	132084 KB	Output is correct
27	Correct	113 ms	132084 KB	Output is correct
28	Correct	105 ms	132084 KB	Output is correct
29	Correct	109 ms	132084 KB	Output is correct
30	Correct	117 ms	132084 KB	Output is correct
31	Correct	115 ms	132084 KB	Output is correct
32	Correct	110 ms	132084 KB	Output is correct
33	Correct	110 ms	132084 KB	Output is correct
34	Correct	115 ms	132084 KB	Output is correct
35	Correct	126 ms	132084 KB	Output is correct
36	Correct	125 ms	132084 KB	Output is correct
37	Correct	125 ms	132084 KB	Output is correct
38	Correct	130 ms	132084 KB	Output is correct
39	Correct	109 ms	132084 KB	Output is correct
40	Correct	126 ms	132084 KB	Output is correct
41	Correct	120 ms	132084 KB	Output is correct
42	Correct	107 ms	132084 KB	Output is correct
43	Correct	127 ms	132084 KB	Output is correct
44	Correct	119 ms	132084 KB	Output is correct
45	Correct	128 ms	132084 KB	Output is correct
46	Correct	132 ms	132084 KB	Output is correct
47	Correct	130 ms	134652 KB	Output is correct
48	Correct	136 ms	134652 KB	Output is correct
49	Correct	135 ms	134652 KB	Output is correct
50	Correct	143 ms	134652 KB	Output is correct
51	Correct	150 ms	148088 KB	Output is correct
52	Correct	149 ms	148348 KB	Output is correct
53	Correct	149 ms	148348 KB	Output is correct
54	Correct	150 ms	148348 KB	Output is correct
55	Correct	147 ms	148348 KB	Output is correct
56	Correct	140 ms	148988 KB	Output is correct
57	Correct	106 ms	148988 KB	Output is correct
58	Correct	140 ms	149368 KB	Output is correct
59	Correct	142 ms	149368 KB	Output is correct
60	Correct	139 ms	149368 KB	Output is correct
61	Correct	138 ms	149368 KB	Output is correct
62	Correct	194 ms	156100 KB	Output is correct
63	Correct	190 ms	158076 KB	Output is correct
64	Correct	196 ms	159356 KB	Output is correct
65	Correct	283 ms	177556 KB	Output is correct
66	Correct	408 ms	210804 KB	Output is correct
67	Correct	268 ms	210804 KB	Output is correct

답안 #47259

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