답안 #108383

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
108383 2019-04-29T03:05:44 Z nxteru Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
701 ms 50472 KB
#include <bits/stdc++.h>
using namespace std;
#define B 173
struct t{
	int c,x,y;
};
int n,m,b[30005],p[30005];
vector<int>g[30005];
int vis[30005],d[30005][200],q[30005][200];
int main(void){
    scanf("%d%d",&n,&m);
    for(int i=0;i<m;i++){
		scanf("%d%d",b+i,p+i);
		g[b[i]].push_back(i);
	}
    for(int i=0;i<n;i++){
		vis[i]=-1;
		for(int j=0;j<B;j++)d[i][j]=-1;
	}
	for(int i=0;i<m;i++)for(int j=0;j<=n/B;j++)q[i][j]=-1;
	queue<t>bfs;
	bfs.push(t{0,b[0],0});
	while(!bfs.empty()){
		int c=bfs.front().c,x=bfs.front().x,y=bfs.front().y,z=(x-b[y]%p[y])/p[y];
		bfs.pop();
		if(x<0||n<=x)continue;
		if(vis[x]==-1){
			vis[x]=c;
			for(int i=0;i<g[x].size();i++){
				int u=g[x][i];
				bfs.push(t{c+1,x-p[u],u});
				bfs.push(t{c+1,x+p[u],u});
			}
		}
		if(p[y]<B&&d[x][p[y]]==-1){
			d[x][p[y]]=c;
			bfs.push(t{c+1,x-p[y],y});
			bfs.push(t{c+1,x+p[y],y});
		}
		if(p[y]>=B&&q[y][z]==-1){
			q[y][z]=c;
			bfs.push(t{c+1,x-p[y],y});
			bfs.push(t{c+1,x+p[y],y});
		}
	}
	printf("%d\n",vis[b[1]]);
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:29:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int i=0;i<g[x].size();i++){
                ~^~~~~~~~~~~~
skyscraper.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~
skyscraper.cpp:13:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",b+i,p+i);
   ~~~~~^~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1024 KB Output is correct
2 Correct 3 ms 1024 KB Output is correct
3 Correct 3 ms 1024 KB Output is correct
4 Correct 3 ms 1024 KB Output is correct
5 Correct 3 ms 1024 KB Output is correct
6 Correct 3 ms 1024 KB Output is correct
7 Correct 2 ms 1152 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1024 KB Output is correct
2 Correct 2 ms 1024 KB Output is correct
3 Correct 3 ms 1024 KB Output is correct
4 Correct 3 ms 1024 KB Output is correct
5 Correct 3 ms 1024 KB Output is correct
6 Correct 3 ms 1024 KB Output is correct
7 Correct 4 ms 1152 KB Output is correct
8 Correct 3 ms 1152 KB Output is correct
9 Correct 3 ms 1152 KB Output is correct
10 Correct 3 ms 1408 KB Output is correct
11 Correct 5 ms 2816 KB Output is correct
12 Correct 6 ms 2816 KB Output is correct
13 Correct 5 ms 2688 KB Output is correct
14 Correct 5 ms 2816 KB Output is correct
15 Correct 6 ms 2816 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1024 KB Output is correct
2 Correct 4 ms 996 KB Output is correct
3 Correct 4 ms 1024 KB Output is correct
4 Correct 3 ms 1024 KB Output is correct
5 Correct 3 ms 1152 KB Output is correct
6 Correct 2 ms 1024 KB Output is correct
7 Correct 3 ms 1024 KB Output is correct
8 Correct 3 ms 1152 KB Output is correct
9 Correct 3 ms 1152 KB Output is correct
10 Correct 3 ms 1408 KB Output is correct
11 Correct 5 ms 2816 KB Output is correct
12 Correct 5 ms 2688 KB Output is correct
13 Correct 5 ms 2816 KB Output is correct
14 Correct 5 ms 2816 KB Output is correct
15 Correct 4 ms 2816 KB Output is correct
16 Correct 4 ms 1920 KB Output is correct
17 Correct 6 ms 3200 KB Output is correct
18 Correct 5 ms 3200 KB Output is correct
19 Correct 5 ms 3072 KB Output is correct
20 Correct 5 ms 4224 KB Output is correct
21 Correct 4 ms 2304 KB Output is correct
22 Correct 7 ms 3072 KB Output is correct
23 Correct 6 ms 3072 KB Output is correct
24 Correct 8 ms 4096 KB Output is correct
25 Correct 8 ms 4224 KB Output is correct
26 Correct 7 ms 4224 KB Output is correct
27 Correct 8 ms 4324 KB Output is correct
28 Correct 9 ms 4352 KB Output is correct
29 Correct 7 ms 3200 KB Output is correct
30 Correct 31 ms 2816 KB Output is correct
31 Correct 7 ms 3200 KB Output is correct
32 Correct 5 ms 3072 KB Output is correct
33 Correct 9 ms 4352 KB Output is correct
34 Correct 10 ms 4352 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1024 KB Output is correct
2 Correct 3 ms 1024 KB Output is correct
3 Correct 3 ms 1024 KB Output is correct
4 Correct 3 ms 1024 KB Output is correct
5 Correct 3 ms 1024 KB Output is correct
6 Correct 3 ms 1024 KB Output is correct
7 Correct 4 ms 1024 KB Output is correct
8 Correct 3 ms 1024 KB Output is correct
9 Correct 3 ms 1152 KB Output is correct
10 Correct 3 ms 1536 KB Output is correct
11 Correct 5 ms 2816 KB Output is correct
12 Correct 5 ms 2688 KB Output is correct
13 Correct 4 ms 2816 KB Output is correct
14 Correct 5 ms 2816 KB Output is correct
15 Correct 5 ms 2816 KB Output is correct
16 Correct 5 ms 1920 KB Output is correct
17 Correct 8 ms 3200 KB Output is correct
18 Correct 6 ms 3200 KB Output is correct
19 Correct 5 ms 3072 KB Output is correct
20 Correct 6 ms 4224 KB Output is correct
21 Correct 3 ms 2304 KB Output is correct
22 Correct 5 ms 3072 KB Output is correct
23 Correct 5 ms 3072 KB Output is correct
24 Correct 6 ms 4096 KB Output is correct
25 Correct 6 ms 4224 KB Output is correct
26 Correct 6 ms 4224 KB Output is correct
27 Correct 6 ms 4224 KB Output is correct
28 Correct 9 ms 4352 KB Output is correct
29 Correct 9 ms 3300 KB Output is correct
30 Correct 5 ms 2816 KB Output is correct
31 Correct 6 ms 3072 KB Output is correct
32 Correct 5 ms 3072 KB Output is correct
33 Correct 12 ms 4352 KB Output is correct
34 Correct 13 ms 4352 KB Output is correct
35 Correct 39 ms 23416 KB Output is correct
36 Correct 10 ms 5760 KB Output is correct
37 Correct 42 ms 18944 KB Output is correct
38 Correct 52 ms 27640 KB Output is correct
39 Correct 63 ms 27640 KB Output is correct
40 Correct 47 ms 27640 KB Output is correct
41 Correct 45 ms 27768 KB Output is correct
42 Correct 38 ms 27384 KB Output is correct
43 Correct 30 ms 27384 KB Output is correct
44 Correct 29 ms 27392 KB Output is correct
45 Correct 202 ms 28156 KB Output is correct
46 Correct 72 ms 28152 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 1024 KB Output is correct
2 Correct 3 ms 1024 KB Output is correct
3 Correct 3 ms 1024 KB Output is correct
4 Correct 4 ms 1024 KB Output is correct
5 Correct 3 ms 1024 KB Output is correct
6 Correct 3 ms 1024 KB Output is correct
7 Correct 3 ms 1024 KB Output is correct
8 Correct 3 ms 1152 KB Output is correct
9 Correct 3 ms 1152 KB Output is correct
10 Correct 3 ms 1408 KB Output is correct
11 Correct 5 ms 2816 KB Output is correct
12 Correct 5 ms 2688 KB Output is correct
13 Correct 4 ms 2688 KB Output is correct
14 Correct 5 ms 2816 KB Output is correct
15 Correct 4 ms 2816 KB Output is correct
16 Correct 3 ms 1920 KB Output is correct
17 Correct 5 ms 3200 KB Output is correct
18 Correct 5 ms 3200 KB Output is correct
19 Correct 4 ms 3072 KB Output is correct
20 Correct 5 ms 4224 KB Output is correct
21 Correct 4 ms 2304 KB Output is correct
22 Correct 4 ms 3072 KB Output is correct
23 Correct 5 ms 3072 KB Output is correct
24 Correct 6 ms 4096 KB Output is correct
25 Correct 7 ms 4224 KB Output is correct
26 Correct 7 ms 4224 KB Output is correct
27 Correct 7 ms 4224 KB Output is correct
28 Correct 7 ms 4224 KB Output is correct
29 Correct 7 ms 3264 KB Output is correct
30 Correct 6 ms 2816 KB Output is correct
31 Correct 5 ms 3072 KB Output is correct
32 Correct 6 ms 3072 KB Output is correct
33 Correct 9 ms 4352 KB Output is correct
34 Correct 13 ms 4352 KB Output is correct
35 Correct 35 ms 23420 KB Output is correct
36 Correct 8 ms 5760 KB Output is correct
37 Correct 40 ms 19064 KB Output is correct
38 Correct 48 ms 27640 KB Output is correct
39 Correct 46 ms 27640 KB Output is correct
40 Correct 56 ms 27620 KB Output is correct
41 Correct 44 ms 27512 KB Output is correct
42 Correct 28 ms 27384 KB Output is correct
43 Correct 27 ms 27364 KB Output is correct
44 Correct 34 ms 27356 KB Output is correct
45 Correct 69 ms 28152 KB Output is correct
46 Correct 74 ms 28112 KB Output is correct
47 Correct 115 ms 31740 KB Output is correct
48 Correct 46 ms 37620 KB Output is correct
49 Correct 54 ms 38392 KB Output is correct
50 Correct 39 ms 35236 KB Output is correct
51 Correct 106 ms 49500 KB Output is correct
52 Correct 90 ms 49532 KB Output is correct
53 Correct 66 ms 49300 KB Output is correct
54 Correct 23 ms 24568 KB Output is correct
55 Correct 25 ms 24704 KB Output is correct
56 Correct 58 ms 49516 KB Output is correct
57 Correct 57 ms 26616 KB Output is correct
58 Correct 56 ms 49400 KB Output is correct
59 Correct 62 ms 49400 KB Output is correct
60 Correct 63 ms 49428 KB Output is correct
61 Correct 63 ms 49400 KB Output is correct
62 Correct 105 ms 49528 KB Output is correct
63 Correct 209 ms 49272 KB Output is correct
64 Correct 301 ms 49272 KB Output is correct
65 Correct 561 ms 49528 KB Output is correct
66 Correct 701 ms 50472 KB Output is correct
67 Correct 638 ms 50424 KB Output is correct