oj.uz

Submission #236173

# Submission time Handle Problem Language Result Execution time Memory
236173 2020-05-31T10:49:35 Z thtsshz_bgwrswh Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 336 ms 262148 KB 
#pragma GCC optimize("Ofast")
#include<stdio.h>
#include<vector>
#include<queue>
#include<set>
#include<utility>
#include<algorithm>
using namespace std;
int pos[30005],power[30005],dis[30005];
vector<pair<int,int>> g[30005];
set<int> s[30005];
priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>> pq;
int main(){
	int i,j,n,m;
	scanf("%d%d",&n,&m);
	
	for(i=0;i<m;i++){
		scanf("%d%d",&pos[i],&power[i]);
	//	if(i!=1)
	//		s[pos[i]].insert(power[i]);
	}
	for(i=0;i<m;i++){
		for(j=pos[i]+power[i];j<n;j+=power[i]){
			g[pos[i]].emplace_back(j,(j-pos[i])/power[i]);
			if(s[j].count(power[i]))
				break;
		}
		for(j=pos[i]-power[i];j>=0;j-=power[i]){
			g[pos[i]].emplace_back(j,(pos[i]-j)/power[i]);
			if(s[j].count(power[i]))
				break;
		}
	//	break;
	}
	/*for(i=0;i<n;i++){
		printf("%d\n",i);
		for(auto x:g[i])
			printf("%d ",x.first);
		putchar('\n');
	}*/
	for(i=0;i<n;i++)
		dis[i]=1000000000;
	dis[pos[0]]=0;
	pq.push({0,pos[0]});
	while(pq.size()){
		auto v=pq.top().second;
		pq.pop();
		for(auto x:g[v]){
			if(dis[v]+x.second<dis[x.first]){
				dis[x.first]=dis[v]+x.second;
                pq.push({dis[x.first],x.first});
			}
		} 
	}
	if(dis[pos[1]]==1000000000)
		puts("-1");
	else
		printf("%d\n",dis[pos[1]]);
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:15:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~
skyscraper.cpp:18:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&pos[i],&power[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2432 KB Output is correct
2 Correct 6 ms 2432 KB Output is correct
3 Correct 6 ms 2432 KB Output is correct
4 Correct 6 ms 2432 KB Output is correct
5 Correct 6 ms 2560 KB Output is correct
6 Correct 6 ms 2432 KB Output is correct
7 Correct 6 ms 2432 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2432 KB Output is correct
2 Correct 6 ms 2432 KB Output is correct
3 Correct 7 ms 2432 KB Output is correct
4 Correct 6 ms 2432 KB Output is correct
5 Correct 6 ms 2432 KB Output is correct
6 Correct 6 ms 2432 KB Output is correct
7 Correct 6 ms 2432 KB Output is correct
8 Correct 6 ms 2432 KB Output is correct
9 Correct 6 ms 2432 KB Output is correct
10 Correct 6 ms 2432 KB Output is correct
11 Correct 6 ms 2560 KB Output is correct
12 Correct 10 ms 4724 KB Output is correct
13 Correct 11 ms 4724 KB Output is correct
14 Correct 6 ms 2560 KB Output is correct
15 Correct 6 ms 2560 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2432 KB Output is correct
2 Correct 6 ms 2432 KB Output is correct
3 Correct 6 ms 2432 KB Output is correct
4 Correct 6 ms 2432 KB Output is correct
5 Correct 7 ms 2432 KB Output is correct
6 Correct 6 ms 2432 KB Output is correct
7 Correct 6 ms 2432 KB Output is correct
8 Correct 6 ms 2432 KB Output is correct
9 Correct 6 ms 2432 KB Output is correct
10 Correct 6 ms 2432 KB Output is correct
11 Correct 6 ms 2560 KB Output is correct
12 Correct 9 ms 4596 KB Output is correct
13 Correct 9 ms 4724 KB Output is correct
14 Correct 6 ms 2560 KB Output is correct
15 Correct 6 ms 2560 KB Output is correct
16 Correct 7 ms 2560 KB Output is correct
17 Correct 7 ms 2688 KB Output is correct
18 Correct 6 ms 2560 KB Output is correct
19 Correct 6 ms 2560 KB Output is correct
20 Correct 58 ms 34552 KB Output is correct
21 Correct 6 ms 2432 KB Output is correct
22 Correct 6 ms 2560 KB Output is correct
23 Correct 7 ms 2560 KB Output is correct
24 Correct 7 ms 2688 KB Output is correct
25 Correct 7 ms 2688 KB Output is correct
26 Correct 65 ms 35532 KB Output is correct
27 Correct 62 ms 35412 KB Output is correct
28 Correct 7 ms 2688 KB Output is correct
29 Correct 8 ms 3328 KB Output is correct
30 Correct 7 ms 2816 KB Output is correct
31 Correct 7 ms 2944 KB Output is correct
32 Correct 7 ms 2816 KB Output is correct
33 Correct 10 ms 3968 KB Output is correct
34 Correct 10 ms 3968 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2432 KB Output is correct
2 Correct 6 ms 2432 KB Output is correct
3 Correct 6 ms 2432 KB Output is correct
4 Correct 6 ms 2432 KB Output is correct
5 Correct 6 ms 2432 KB Output is correct
6 Correct 6 ms 2432 KB Output is correct
7 Correct 6 ms 2432 KB Output is correct
8 Correct 6 ms 2432 KB Output is correct
9 Correct 6 ms 2432 KB Output is correct
10 Correct 6 ms 2432 KB Output is correct
11 Correct 6 ms 2560 KB Output is correct
12 Correct 9 ms 4596 KB Output is correct
13 Correct 9 ms 4724 KB Output is correct
14 Correct 6 ms 2560 KB Output is correct
15 Correct 6 ms 2484 KB Output is correct
16 Correct 7 ms 2532 KB Output is correct
17 Correct 7 ms 2688 KB Output is correct
18 Correct 6 ms 2572 KB Output is correct
19 Correct 6 ms 2560 KB Output is correct
20 Correct 60 ms 34680 KB Output is correct
21 Correct 6 ms 2432 KB Output is correct
22 Correct 6 ms 2560 KB Output is correct
23 Correct 6 ms 2560 KB Output is correct
24 Correct 7 ms 2688 KB Output is correct
25 Correct 7 ms 2560 KB Output is correct
26 Correct 64 ms 35532 KB Output is correct
27 Correct 62 ms 35540 KB Output is correct
28 Correct 7 ms 2736 KB Output is correct
29 Correct 8 ms 3456 KB Output is correct
30 Correct 7 ms 2816 KB Output is correct
31 Correct 8 ms 2944 KB Output is correct
32 Correct 7 ms 2816 KB Output is correct
33 Correct 10 ms 3968 KB Output is correct
34 Correct 10 ms 3968 KB Output is correct
35 Correct 17 ms 4480 KB Output is correct
36 Correct 8 ms 2688 KB Output is correct
37 Correct 18 ms 6016 KB Output is correct
38 Correct 20 ms 5504 KB Output is correct
39 Correct 20 ms 5760 KB Output is correct
40 Correct 20 ms 5760 KB Output is correct
41 Correct 19 ms 5504 KB Output is correct
42 Runtime error 321 ms 262148 KB Execution killed with signal 9 (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 6 ms 2432 KB Output is correct
2 Correct 6 ms 2432 KB Output is correct
3 Correct 6 ms 2432 KB Output is correct
4 Correct 6 ms 2432 KB Output is correct
5 Correct 6 ms 2432 KB Output is correct
6 Correct 6 ms 2432 KB Output is correct
7 Correct 6 ms 2432 KB Output is correct
8 Correct 6 ms 2432 KB Output is correct
9 Correct 6 ms 2432 KB Output is correct
10 Correct 6 ms 2432 KB Output is correct
11 Correct 6 ms 2560 KB Output is correct
12 Correct 9 ms 4596 KB Output is correct
13 Correct 9 ms 4628 KB Output is correct
14 Correct 6 ms 2560 KB Output is correct
15 Correct 6 ms 2560 KB Output is correct
16 Correct 6 ms 2560 KB Output is correct
17 Correct 7 ms 2688 KB Output is correct
18 Correct 6 ms 2560 KB Output is correct
19 Correct 6 ms 2432 KB Output is correct
20 Correct 58 ms 34812 KB Output is correct
21 Correct 6 ms 2432 KB Output is correct
22 Correct 7 ms 2560 KB Output is correct
23 Correct 6 ms 2560 KB Output is correct
24 Correct 7 ms 2688 KB Output is correct
25 Correct 7 ms 2688 KB Output is correct
26 Correct 66 ms 35516 KB Output is correct
27 Correct 62 ms 35516 KB Output is correct
28 Correct 8 ms 2688 KB Output is correct
29 Correct 8 ms 3328 KB Output is correct
30 Correct 7 ms 2816 KB Output is correct
31 Correct 7 ms 2944 KB Output is correct
32 Correct 7 ms 2816 KB Output is correct
33 Correct 9 ms 3968 KB Output is correct
34 Correct 10 ms 3968 KB Output is correct
35 Correct 16 ms 4480 KB Output is correct
36 Correct 7 ms 2688 KB Output is correct
37 Correct 18 ms 6016 KB Output is correct
38 Correct 19 ms 5504 KB Output is correct
39 Correct 19 ms 5760 KB Output is correct
40 Correct 19 ms 5632 KB Output is correct
41 Correct 20 ms 5504 KB Output is correct
42 Runtime error 336 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
43 Halted 0 ms 0 KB -