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답안 #236100

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
236100 2020-05-31T08:08:53 Z thtsshz_bgwrswh Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 327 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]);
	//	s[pos[i]].insert(power[i]);
	}
	for(i=0;i<m;i++){
		for(j=pos[i]+power[i];j<n;j+=power[i]){
	//		if(s[j].count(power[i]))
	//			break;
			//printf("%d\n",j);
			g[pos[i]].emplace_back(j,(j-pos[i])/power[i]);
		}
		for(j=pos[i]-power[i];j>=0;j-=power[i]){
	//		if(s[j].count(power[i]))
	//			break;
			g[pos[i]].emplace_back(j,(pos[i]-j)/power[i]);
		}
	//	break;
	}
	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:17:8: 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

# 결과 실행 시간 메모리 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 2560 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 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 4596 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

# 결과 실행 시간 메모리 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 2412 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 7 ms 2560 KB Output is correct
15 Correct 6 ms 2560 KB Output is correct
16 Correct 6 ms 2432 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 59 ms 34552 KB Output is correct
21 Correct 7 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 35548 KB Output is correct
27 Correct 61 ms 35532 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

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 2432 KB Output is correct
2 Correct 10 ms 2432 KB Output is correct
3 Correct 6 ms 2432 KB Output is correct
4 Correct 5 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 9 ms 4596 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 2560 KB Output is correct
20 Correct 59 ms 34552 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 2560 KB Output is correct
26 Correct 66 ms 35532 KB Output is correct
27 Correct 61 ms 35536 KB Output is correct
28 Correct 7 ms 2688 KB Output is correct
29 Correct 9 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
35 Correct 16 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 5632 KB Output is correct
39 Correct 20 ms 5760 KB Output is correct
40 Correct 20 ms 5632 KB Output is correct
41 Correct 20 ms 5504 KB Output is correct
42 Runtime error 327 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

# 결과 실행 시간 메모리 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 2304 KB Output is correct
9 Correct 6 ms 2432 KB Output is correct
10 Correct 6 ms 2432 KB Output is correct
11 Correct 7 ms 2608 KB Output is correct
12 Correct 9 ms 4596 KB Output is correct
13 Correct 9 ms 4596 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 2816 KB Output is correct
18 Correct 6 ms 2560 KB Output is correct
19 Correct 6 ms 2560 KB Output is correct
20 Correct 59 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 6 ms 2432 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 35544 KB Output is correct
27 Correct 61 ms 35420 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 11 ms 3968 KB Output is correct
35 Correct 16 ms 4480 KB Output is correct
36 Correct 8 ms 2688 KB Output is correct
37 Correct 17 ms 6016 KB Output is correct
38 Correct 19 ms 5504 KB Output is correct
39 Correct 20 ms 5760 KB Output is correct
40 Correct 20 ms 5632 KB Output is correct
41 Correct 20 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 -