답안 #43929

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
43929 2018-03-28T09:59:45 Z Kerim Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
1000 ms 4856 KB
#include "bits/stdc++.h"
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

#define MAXN 100009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
#define my_little_dodge 46
#define debug(x)  cerr<< #x <<" = "<< x<<endl;
using namespace std;

typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
int arr[MAXN],dis[MAXN];
vector<int>adj[MAXN];
int main(){
    //~ freopen("file.in", "r", stdin);
    int n,m;
    scanf("%d%d",&n,&m);
    for(int i=1;i<=m;i++){
		int u,v;
		scanf("%d%d",&u,&v);
		adj[u].pb(v);arr[i]=u;
	}
	priority_queue<pair<int,int> >q;
	q.push(mp(0,arr[1]));
	for(int i=0;i<n;i++)
		dis[i]=INF;
		dis[arr[1]]=0;
	while(!q.empty()){
		int val=-q.top().ff;
		int nd=q.top().ss;
		q.pop();
		if(dis[nd]!=val)
			continue;
		tr(it,adj[nd]){
			int cost=*it;
			int blok=max(nd/(*it),(n-nd-1)/(*it));
			for(int i=1;i<=blok;i++){
				//~ if(nd-cost*i<0 and nd+cost*i>=n)
					//~ break;
				if(nd-cost*i>=0 and umin(dis[nd-cost*i],dis[nd]+i))
					q.push(mp(-dis[nd-cost*i],nd-cost*i));
				if(nd+cost*i<n and umin(dis[nd+cost*i],dis[nd]+i))
					q.push(mp(-dis[nd+cost*i],nd+cost*i));	
			}
		}	
	}
	if(dis[arr[2]]==INF)
		dis[arr[2]]=-1;
	printf("%d\n",dis[arr[2]]);
	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:36:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(int i=0;i<n;i++)
  ^~~
skyscraper.cpp:38:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   dis[arr[1]]=0;
   ^~~
skyscraper.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~
skyscraper.cpp:31:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&u,&v);
   ~~~~~^~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 3 ms 2852 KB Output is correct
3 Correct 3 ms 2852 KB Output is correct
4 Correct 3 ms 2852 KB Output is correct
5 Correct 4 ms 2852 KB Output is correct
6 Correct 3 ms 2864 KB Output is correct
7 Correct 3 ms 2864 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2864 KB Output is correct
2 Correct 3 ms 2864 KB Output is correct
3 Correct 4 ms 2868 KB Output is correct
4 Correct 3 ms 2924 KB Output is correct
5 Correct 4 ms 2924 KB Output is correct
6 Correct 3 ms 2968 KB Output is correct
7 Correct 4 ms 2968 KB Output is correct
8 Correct 4 ms 2968 KB Output is correct
9 Correct 4 ms 2968 KB Output is correct
10 Correct 4 ms 2968 KB Output is correct
11 Correct 4 ms 2976 KB Output is correct
12 Correct 5 ms 2976 KB Output is correct
13 Correct 5 ms 2976 KB Output is correct
14 Correct 4 ms 2976 KB Output is correct
15 Correct 4 ms 2976 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 3064 KB Output is correct
2 Correct 4 ms 3064 KB Output is correct
3 Correct 4 ms 3064 KB Output is correct
4 Correct 4 ms 3064 KB Output is correct
5 Correct 3 ms 3064 KB Output is correct
6 Correct 3 ms 3064 KB Output is correct
7 Correct 3 ms 3064 KB Output is correct
8 Correct 3 ms 3064 KB Output is correct
9 Correct 4 ms 3064 KB Output is correct
10 Correct 4 ms 3064 KB Output is correct
11 Correct 4 ms 3064 KB Output is correct
12 Correct 5 ms 3064 KB Output is correct
13 Correct 5 ms 3064 KB Output is correct
14 Correct 4 ms 3064 KB Output is correct
15 Correct 4 ms 3064 KB Output is correct
16 Correct 4 ms 3064 KB Output is correct
17 Correct 4 ms 3064 KB Output is correct
18 Correct 4 ms 3064 KB Output is correct
19 Correct 4 ms 3064 KB Output is correct
20 Correct 21 ms 3068 KB Output is correct
21 Correct 5 ms 3068 KB Output is correct
22 Correct 4 ms 3068 KB Output is correct
23 Correct 5 ms 3068 KB Output is correct
24 Correct 6 ms 3068 KB Output is correct
25 Correct 5 ms 3068 KB Output is correct
26 Correct 19 ms 3068 KB Output is correct
27 Correct 18 ms 3068 KB Output is correct
28 Correct 4 ms 3068 KB Output is correct
29 Correct 7 ms 3068 KB Output is correct
30 Correct 4 ms 3144 KB Output is correct
31 Correct 5 ms 3148 KB Output is correct
32 Correct 4 ms 3148 KB Output is correct
33 Correct 6 ms 3148 KB Output is correct
34 Correct 6 ms 3148 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 3148 KB Output is correct
2 Correct 3 ms 3148 KB Output is correct
3 Correct 3 ms 3148 KB Output is correct
4 Correct 4 ms 3148 KB Output is correct
5 Correct 4 ms 3148 KB Output is correct
6 Correct 4 ms 3148 KB Output is correct
7 Correct 3 ms 3148 KB Output is correct
8 Correct 3 ms 3148 KB Output is correct
9 Correct 4 ms 3148 KB Output is correct
10 Correct 4 ms 3148 KB Output is correct
11 Correct 4 ms 3148 KB Output is correct
12 Correct 5 ms 3148 KB Output is correct
13 Correct 5 ms 3148 KB Output is correct
14 Correct 5 ms 3148 KB Output is correct
15 Correct 5 ms 3148 KB Output is correct
16 Correct 4 ms 3148 KB Output is correct
17 Correct 6 ms 3148 KB Output is correct
18 Correct 4 ms 3148 KB Output is correct
19 Correct 4 ms 3148 KB Output is correct
20 Correct 21 ms 3148 KB Output is correct
21 Correct 4 ms 3148 KB Output is correct
22 Correct 4 ms 3148 KB Output is correct
23 Correct 4 ms 3148 KB Output is correct
24 Correct 5 ms 3148 KB Output is correct
25 Correct 5 ms 3148 KB Output is correct
26 Correct 24 ms 3148 KB Output is correct
27 Correct 18 ms 3148 KB Output is correct
28 Correct 5 ms 3148 KB Output is correct
29 Correct 5 ms 3148 KB Output is correct
30 Correct 4 ms 3148 KB Output is correct
31 Correct 5 ms 3148 KB Output is correct
32 Correct 5 ms 3148 KB Output is correct
33 Correct 6 ms 3148 KB Output is correct
34 Correct 6 ms 3196 KB Output is correct
35 Correct 12 ms 3324 KB Output is correct
36 Correct 5 ms 3324 KB Output is correct
37 Correct 11 ms 3324 KB Output is correct
38 Correct 15 ms 3452 KB Output is correct
39 Correct 15 ms 3452 KB Output is correct
40 Correct 16 ms 3452 KB Output is correct
41 Correct 19 ms 3452 KB Output is correct
42 Correct 257 ms 3452 KB Output is correct
43 Correct 287 ms 3452 KB Output is correct
44 Correct 271 ms 3452 KB Output is correct
45 Correct 21 ms 3452 KB Output is correct
46 Correct 14 ms 3452 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 3452 KB Output is correct
2 Correct 4 ms 3452 KB Output is correct
3 Correct 3 ms 3452 KB Output is correct
4 Correct 4 ms 3452 KB Output is correct
5 Correct 3 ms 3452 KB Output is correct
6 Correct 4 ms 3452 KB Output is correct
7 Correct 3 ms 3452 KB Output is correct
8 Correct 3 ms 3452 KB Output is correct
9 Correct 4 ms 3452 KB Output is correct
10 Correct 4 ms 3452 KB Output is correct
11 Correct 4 ms 3452 KB Output is correct
12 Correct 5 ms 3452 KB Output is correct
13 Correct 5 ms 3452 KB Output is correct
14 Correct 4 ms 3452 KB Output is correct
15 Correct 5 ms 3452 KB Output is correct
16 Correct 4 ms 3452 KB Output is correct
17 Correct 5 ms 3452 KB Output is correct
18 Correct 4 ms 3452 KB Output is correct
19 Correct 4 ms 3452 KB Output is correct
20 Correct 21 ms 3452 KB Output is correct
21 Correct 4 ms 3452 KB Output is correct
22 Correct 4 ms 3452 KB Output is correct
23 Correct 5 ms 3452 KB Output is correct
24 Correct 5 ms 3452 KB Output is correct
25 Correct 5 ms 3452 KB Output is correct
26 Correct 25 ms 3452 KB Output is correct
27 Correct 24 ms 3452 KB Output is correct
28 Correct 5 ms 3452 KB Output is correct
29 Correct 6 ms 3452 KB Output is correct
30 Correct 6 ms 3452 KB Output is correct
31 Correct 6 ms 3452 KB Output is correct
32 Correct 6 ms 3452 KB Output is correct
33 Correct 8 ms 3452 KB Output is correct
34 Correct 7 ms 3452 KB Output is correct
35 Correct 18 ms 3452 KB Output is correct
36 Correct 7 ms 3452 KB Output is correct
37 Correct 12 ms 3452 KB Output is correct
38 Correct 15 ms 3452 KB Output is correct
39 Correct 15 ms 3452 KB Output is correct
40 Correct 16 ms 3452 KB Output is correct
41 Correct 15 ms 3452 KB Output is correct
42 Correct 260 ms 3452 KB Output is correct
43 Correct 251 ms 3452 KB Output is correct
44 Correct 255 ms 3452 KB Output is correct
45 Correct 14 ms 3548 KB Output is correct
46 Correct 19 ms 3548 KB Output is correct
47 Correct 36 ms 4088 KB Output is correct
48 Correct 12 ms 4088 KB Output is correct
49 Correct 11 ms 4088 KB Output is correct
50 Correct 9 ms 4088 KB Output is correct
51 Correct 37 ms 4856 KB Output is correct
52 Correct 37 ms 4856 KB Output is correct
53 Correct 22 ms 4856 KB Output is correct
54 Correct 6 ms 4856 KB Output is correct
55 Correct 7 ms 4856 KB Output is correct
56 Execution timed out 1079 ms 4856 KB Time limit exceeded
57 Halted 0 ms 0 KB -