답안 #21974

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
21974 2017-04-28T08:09:42 Z Hiasat Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
36 ms 10860 KB
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<ll, int> plli;
typedef pair<double, double> pdd;
typedef pair<string, int> psi;

const int MOD = 1e9 + 7;

const ll oo = 1e15;

typedef long long ll;

int n , m;

pii d[30010];

bitset<30010> vis[2010];

vector<int> dogs[30010];


int main() {
 	//freopen("input.txt","r",stdin);
	scanf("%d%d",&n,&m);
	for (int i = 0; i < m; ++i){
		scanf("%d%d",&d[i].first,&d[i].second);
		dogs[d[i].first].push_back(d[i].second);
	}
	for (int i = 1; i <= n; ++i){
		sort(dogs[i].begin(),dogs[i].end());
		dogs[i].resize(unique(dogs[i].begin(),dogs[i].end()) - dogs[i].begin());
	}
	deque< pair<int , pii > > q;
	vis[d[0].first][d[0].second] = 1;
	q.push_front(make_pair(0,make_pair(d[0].first,d[0].second)));
	while(!q.empty()){
		pair<int , pii > src = q.front();
		if(src.second.first == d[1].first){
			printf("%d\n", src.first);
			return 0;
		}
		q.pop_front();
		for (int i = 0; i < dogs[src.second.first].size(); ++i){
			int nw = dogs[src.second.first][i];
			if(vis[src.second.first][nw])
				continue;
			vis[src.second.first][nw] = 1;
			q.push_front(make_pair(src.first,make_pair(src.second.first,nw)));
		}
		for(int i = -1 ; i <= 1 ; i+= 2){
			int nw = src.second.first + src.second.second* i;
			if(nw < 0 || nw >= n)
				continue;
			if(vis[nw][src.second.second])
				continue;
			vis[nw][src.second.second]=1;
			q.push_back(make_pair(1 + src.first,make_pair(nw,src.second.second)));
		}
	}
	puts("-1");
	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:48:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = 0; i < dogs[src.second.first].size(); ++i){
                     ^
skyscraper.cpp:29:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^
skyscraper.cpp:31:41: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&d[i].first,&d[i].second);
                                         ^
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 10324 KB Output is correct
2 Correct 0 ms 10324 KB Output is correct
3 Correct 0 ms 10324 KB Output is correct
4 Correct 0 ms 10324 KB Output is correct
5 Correct 0 ms 10324 KB Output is correct
6 Correct 0 ms 10324 KB Output is correct
7 Correct 0 ms 10324 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 10324 KB Output is correct
2 Correct 0 ms 10324 KB Output is correct
3 Correct 0 ms 10324 KB Output is correct
4 Correct 0 ms 10324 KB Output is correct
5 Correct 0 ms 10324 KB Output is correct
6 Correct 0 ms 10324 KB Output is correct
7 Correct 0 ms 10324 KB Output is correct
8 Correct 0 ms 10324 KB Output is correct
9 Correct 0 ms 10324 KB Output is correct
10 Correct 0 ms 10324 KB Output is correct
11 Correct 0 ms 10324 KB Output is correct
12 Correct 0 ms 10324 KB Output is correct
13 Correct 0 ms 10324 KB Output is correct
14 Correct 0 ms 10324 KB Output is correct
15 Correct 0 ms 10324 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 10324 KB Output is correct
2 Correct 0 ms 10324 KB Output is correct
3 Correct 0 ms 10324 KB Output is correct
4 Correct 0 ms 10324 KB Output is correct
5 Correct 0 ms 10324 KB Output is correct
6 Correct 0 ms 10324 KB Output is correct
7 Correct 0 ms 10324 KB Output is correct
8 Correct 0 ms 10324 KB Output is correct
9 Correct 0 ms 10324 KB Output is correct
10 Correct 0 ms 10324 KB Output is correct
11 Correct 0 ms 10324 KB Output is correct
12 Correct 0 ms 10324 KB Output is correct
13 Correct 0 ms 10324 KB Output is correct
14 Correct 0 ms 10324 KB Output is correct
15 Correct 0 ms 10324 KB Output is correct
16 Correct 0 ms 10324 KB Output is correct
17 Correct 0 ms 10324 KB Output is correct
18 Correct 0 ms 10324 KB Output is correct
19 Correct 0 ms 10324 KB Output is correct
20 Correct 3 ms 10456 KB Output is correct
21 Correct 0 ms 10324 KB Output is correct
22 Correct 0 ms 10324 KB Output is correct
23 Correct 0 ms 10324 KB Output is correct
24 Correct 6 ms 10324 KB Output is correct
25 Correct 3 ms 10324 KB Output is correct
26 Correct 3 ms 10324 KB Output is correct
27 Correct 3 ms 10324 KB Output is correct
28 Correct 3 ms 10456 KB Output is correct
29 Correct 3 ms 10324 KB Output is correct
30 Correct 3 ms 10324 KB Output is correct
31 Correct 0 ms 10324 KB Output is correct
32 Correct 3 ms 10324 KB Output is correct
33 Correct 0 ms 10324 KB Output is correct
34 Correct 3 ms 10324 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 10324 KB Output is correct
2 Correct 0 ms 10324 KB Output is correct
3 Correct 0 ms 10324 KB Output is correct
4 Correct 0 ms 10324 KB Output is correct
5 Correct 0 ms 10324 KB Output is correct
6 Correct 0 ms 10324 KB Output is correct
7 Correct 0 ms 10324 KB Output is correct
8 Correct 0 ms 10324 KB Output is correct
9 Correct 0 ms 10324 KB Output is correct
10 Correct 0 ms 10324 KB Output is correct
11 Correct 0 ms 10324 KB Output is correct
12 Correct 0 ms 10324 KB Output is correct
13 Correct 0 ms 10324 KB Output is correct
14 Correct 3 ms 10324 KB Output is correct
15 Correct 0 ms 10324 KB Output is correct
16 Correct 0 ms 10324 KB Output is correct
17 Correct 0 ms 10324 KB Output is correct
18 Correct 0 ms 10324 KB Output is correct
19 Correct 0 ms 10324 KB Output is correct
20 Correct 0 ms 10456 KB Output is correct
21 Correct 0 ms 10324 KB Output is correct
22 Correct 0 ms 10324 KB Output is correct
23 Correct 0 ms 10324 KB Output is correct
24 Correct 0 ms 10324 KB Output is correct
25 Correct 0 ms 10324 KB Output is correct
26 Correct 3 ms 10324 KB Output is correct
27 Correct 6 ms 10324 KB Output is correct
28 Correct 3 ms 10456 KB Output is correct
29 Correct 0 ms 10324 KB Output is correct
30 Correct 0 ms 10324 KB Output is correct
31 Correct 0 ms 10324 KB Output is correct
32 Correct 0 ms 10324 KB Output is correct
33 Correct 3 ms 10324 KB Output is correct
34 Correct 0 ms 10324 KB Output is correct
35 Correct 16 ms 10720 KB Output is correct
36 Correct 3 ms 10456 KB Output is correct
37 Correct 13 ms 10720 KB Output is correct
38 Correct 9 ms 10860 KB Output is correct
39 Correct 9 ms 10588 KB Output is correct
40 Correct 9 ms 10588 KB Output is correct
41 Correct 9 ms 10588 KB Output is correct
42 Correct 6 ms 10600 KB Output is correct
43 Correct 9 ms 10600 KB Output is correct
44 Correct 9 ms 10596 KB Output is correct
45 Correct 36 ms 10852 KB Output is correct
46 Correct 16 ms 10852 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 10324 KB Output is correct
2 Correct 0 ms 10324 KB Output is correct
3 Correct 0 ms 10324 KB Output is correct
4 Correct 0 ms 10324 KB Output is correct
5 Correct 0 ms 10324 KB Output is correct
6 Correct 0 ms 10324 KB Output is correct
7 Correct 0 ms 10324 KB Output is correct
8 Correct 0 ms 10324 KB Output is correct
9 Correct 0 ms 10324 KB Output is correct
10 Correct 0 ms 10324 KB Output is correct
11 Correct 0 ms 10324 KB Output is correct
12 Correct 0 ms 10324 KB Output is correct
13 Correct 0 ms 10324 KB Output is correct
14 Correct 0 ms 10324 KB Output is correct
15 Correct 0 ms 10324 KB Output is correct
16 Correct 0 ms 10324 KB Output is correct
17 Correct 0 ms 10324 KB Output is correct
18 Correct 0 ms 10324 KB Output is correct
19 Correct 0 ms 10324 KB Output is correct
20 Correct 0 ms 10456 KB Output is correct
21 Correct 0 ms 10324 KB Output is correct
22 Correct 0 ms 10324 KB Output is correct
23 Correct 0 ms 10324 KB Output is correct
24 Correct 6 ms 10324 KB Output is correct
25 Correct 0 ms 10324 KB Output is correct
26 Correct 0 ms 10324 KB Output is correct
27 Correct 6 ms 10324 KB Output is correct
28 Correct 3 ms 10456 KB Output is correct
29 Correct 6 ms 10324 KB Output is correct
30 Correct 3 ms 10324 KB Output is correct
31 Correct 3 ms 10324 KB Output is correct
32 Correct 3 ms 10324 KB Output is correct
33 Correct 0 ms 10324 KB Output is correct
34 Correct 0 ms 10324 KB Output is correct
35 Correct 13 ms 10720 KB Output is correct
36 Correct 3 ms 10456 KB Output is correct
37 Correct 9 ms 10720 KB Output is correct
38 Correct 6 ms 10860 KB Output is correct
39 Correct 9 ms 10588 KB Output is correct
40 Correct 6 ms 10588 KB Output is correct
41 Correct 9 ms 10588 KB Output is correct
42 Correct 6 ms 10600 KB Output is correct
43 Correct 6 ms 10600 KB Output is correct
44 Correct 6 ms 10596 KB Output is correct
45 Correct 29 ms 10852 KB Output is correct
46 Correct 26 ms 10852 KB Output is correct
47 Runtime error 9 ms 10720 KB Execution killed with signal 11 (could be triggered by violating memory limits)
48 Halted 0 ms 0 KB -