oj.uz

Submission #43931

# Submission time Handle Problem Language Result Execution time Memory
43931 2018-03-28T10:53:23 Z Kerim Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 782 ms 262144 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;}
PII arr[MAXN];
int dis[MAXN];
vector<PII>adj[MAXN];
int s,t;
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);
		if(i==1)
			s=u;
		if(i==2)
			t=u;
		arr[i]=mp(u,v);	
	}
	sort(arr+1,arr+m+1);
	for(int i=m;i>=1;i--){
		int cur=1;
		int u=arr[i].ff,v=arr[i].ss;
		for(int j=u+v;j<n;j+=v){
			adj[u].pb(mp(j,cur));
			//might be break condition
			cur++;
		}
	}
	for(int i=1;i<=m;i++){
		int cur=1;
		int u=arr[i].ff,v=arr[i].ss;
		for(int j=u-v;j>=0;j-=v){
			adj[u].pb(mp(j,cur));
			//might be break condition
			cur++;
		}
	}
	priority_queue<pair<int,int> >q;
	q.push(mp(0,s));
	for(int i=0;i<n;i++)
		dis[i]=INF;
	dis[s]=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])
			if(umin(dis[it->ff],dis[nd]+it->ss))
				q.push(mp(-dis[it->ff],it->ff));
	}
	if(dis[t]==INF)
		dis[t]=-1;
	printf("%d\n",dis[t]);
	return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:30:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~
skyscraper.cpp:33:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&u,&v);
   ~~~~~^~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2680 KB Output is correct
2 Correct 3 ms 2680 KB Output is correct
3 Correct 4 ms 2732 KB Output is correct
4 Correct 3 ms 2908 KB Output is correct
5 Correct 4 ms 2944 KB Output is correct
6 Correct 4 ms 3028 KB Output is correct
7 Correct 3 ms 3028 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 3028 KB Output is correct
2 Correct 3 ms 3028 KB Output is correct
3 Correct 4 ms 3028 KB Output is correct
4 Correct 3 ms 3028 KB Output is correct
5 Correct 3 ms 3028 KB Output is correct
6 Correct 4 ms 3028 KB Output is correct
7 Correct 4 ms 3028 KB Output is correct
8 Correct 3 ms 3028 KB Output is correct
9 Correct 4 ms 3028 KB Output is correct
10 Correct 4 ms 3028 KB Output is correct
11 Correct 4 ms 3052 KB Output is correct
12 Correct 10 ms 5088 KB Output is correct
13 Correct 8 ms 5252 KB Output is correct
14 Correct 4 ms 5252 KB Output is correct
15 Correct 4 ms 5252 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5252 KB Output is correct
2 Correct 4 ms 5252 KB Output is correct
3 Correct 3 ms 5252 KB Output is correct
4 Correct 3 ms 5252 KB Output is correct
5 Correct 3 ms 5252 KB Output is correct
6 Correct 3 ms 5252 KB Output is correct
7 Correct 3 ms 5252 KB Output is correct
8 Correct 3 ms 5252 KB Output is correct
9 Correct 4 ms 5252 KB Output is correct
10 Correct 4 ms 5252 KB Output is correct
11 Correct 4 ms 5252 KB Output is correct
12 Correct 8 ms 5252 KB Output is correct
13 Correct 8 ms 5272 KB Output is correct
14 Correct 4 ms 5272 KB Output is correct
15 Correct 4 ms 5272 KB Output is correct
16 Correct 4 ms 5272 KB Output is correct
17 Correct 5 ms 5272 KB Output is correct
18 Correct 4 ms 5272 KB Output is correct
19 Correct 4 ms 5272 KB Output is correct
20 Correct 81 ms 35068 KB Output is correct
21 Correct 4 ms 35068 KB Output is correct
22 Correct 4 ms 35068 KB Output is correct
23 Correct 6 ms 35068 KB Output is correct
24 Correct 5 ms 35068 KB Output is correct
25 Correct 5 ms 35068 KB Output is correct
26 Correct 86 ms 35952 KB Output is correct
27 Correct 101 ms 35952 KB Output is correct
28 Correct 5 ms 35952 KB Output is correct
29 Correct 6 ms 35952 KB Output is correct
30 Correct 4 ms 35952 KB Output is correct
31 Correct 5 ms 35952 KB Output is correct
32 Correct 5 ms 35952 KB Output is correct
33 Correct 7 ms 35952 KB Output is correct
34 Correct 7 ms 35952 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 35952 KB Output is correct
2 Correct 3 ms 35952 KB Output is correct
3 Correct 3 ms 35952 KB Output is correct
4 Correct 3 ms 35952 KB Output is correct
5 Correct 3 ms 35952 KB Output is correct
6 Correct 3 ms 35952 KB Output is correct
7 Correct 3 ms 35952 KB Output is correct
8 Correct 3 ms 35952 KB Output is correct
9 Correct 4 ms 35952 KB Output is correct
10 Correct 4 ms 35952 KB Output is correct
11 Correct 4 ms 35952 KB Output is correct
12 Correct 9 ms 35952 KB Output is correct
13 Correct 8 ms 35952 KB Output is correct
14 Correct 4 ms 35952 KB Output is correct
15 Correct 4 ms 35952 KB Output is correct
16 Correct 4 ms 35952 KB Output is correct
17 Correct 5 ms 35952 KB Output is correct
18 Correct 4 ms 35952 KB Output is correct
19 Correct 4 ms 35952 KB Output is correct
20 Correct 81 ms 35952 KB Output is correct
21 Correct 4 ms 35952 KB Output is correct
22 Correct 4 ms 35952 KB Output is correct
23 Correct 4 ms 35952 KB Output is correct
24 Correct 5 ms 35952 KB Output is correct
25 Correct 5 ms 35952 KB Output is correct
26 Correct 84 ms 35952 KB Output is correct
27 Correct 82 ms 36032 KB Output is correct
28 Correct 5 ms 36032 KB Output is correct
29 Correct 6 ms 36032 KB Output is correct
30 Correct 6 ms 36032 KB Output is correct
31 Correct 5 ms 36032 KB Output is correct
32 Correct 5 ms 36032 KB Output is correct
33 Correct 7 ms 36032 KB Output is correct
34 Correct 8 ms 36032 KB Output is correct
35 Correct 16 ms 36032 KB Output is correct
36 Correct 6 ms 36032 KB Output is correct
37 Correct 19 ms 36032 KB Output is correct
38 Correct 21 ms 36032 KB Output is correct
39 Correct 21 ms 36032 KB Output is correct
40 Correct 22 ms 36032 KB Output is correct
41 Correct 21 ms 36032 KB Output is correct
42 Runtime error 705 ms 262144 KB Execution killed with signal 11 (could be triggered by violating memory limits)
43 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 262144 KB Output is correct
2 Correct 3 ms 262144 KB Output is correct
3 Correct 3 ms 262144 KB Output is correct
4 Correct 4 ms 262144 KB Output is correct
5 Correct 4 ms 262144 KB Output is correct
6 Correct 4 ms 262144 KB Output is correct
7 Correct 4 ms 262144 KB Output is correct
8 Correct 4 ms 262144 KB Output is correct
9 Correct 4 ms 262144 KB Output is correct
10 Correct 4 ms 262144 KB Output is correct
11 Correct 5 ms 262144 KB Output is correct
12 Correct 8 ms 262144 KB Output is correct
13 Correct 9 ms 262144 KB Output is correct
14 Correct 4 ms 262144 KB Output is correct
15 Correct 5 ms 262144 KB Output is correct
16 Correct 4 ms 262144 KB Output is correct
17 Correct 5 ms 262144 KB Output is correct
18 Correct 5 ms 262144 KB Output is correct
19 Correct 4 ms 262144 KB Output is correct
20 Correct 82 ms 262144 KB Output is correct
21 Correct 4 ms 262144 KB Output is correct
22 Correct 4 ms 262144 KB Output is correct
23 Correct 4 ms 262144 KB Output is correct
24 Correct 5 ms 262144 KB Output is correct
25 Correct 5 ms 262144 KB Output is correct
26 Correct 86 ms 262144 KB Output is correct
27 Correct 85 ms 262144 KB Output is correct
28 Correct 5 ms 262144 KB Output is correct
29 Correct 6 ms 262144 KB Output is correct
30 Correct 4 ms 262144 KB Output is correct
31 Correct 5 ms 262144 KB Output is correct
32 Correct 6 ms 262144 KB Output is correct
33 Correct 7 ms 262144 KB Output is correct
34 Correct 9 ms 262144 KB Output is correct
35 Correct 16 ms 262144 KB Output is correct
36 Correct 8 ms 262144 KB Output is correct
37 Correct 21 ms 262144 KB Output is correct
38 Correct 23 ms 262144 KB Output is correct
39 Correct 21 ms 262144 KB Output is correct
40 Correct 21 ms 262144 KB Output is correct
41 Correct 20 ms 262144 KB Output is correct
42 Runtime error 782 ms 262144 KB Execution killed with signal 11 (could be triggered by violating memory limits)
43 Halted 0 ms 0 KB -