oj.uz

Submission #236051

# Submission time Handle Problem Language Result Execution time Memory
236051 2020-05-31T03:16:54 Z thtsshz_bgwrswh Jakarta Skyscrapers (APIO15_skyscraper) C++17
36 / 100
 1000 ms 33280 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];
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]);
	for(i=0;i<m;i++)
		for(j=0;j<m;j++){
			if(j==i||abs(pos[j]-pos[i])%power[i])
				continue;
			g[i].emplace_back(j,abs(pos[j]-pos[i])/power[i]);
		}
	for(i=0;i<m;i++)
		dis[i]=1000000000;
	dis[0]=0;
	pq.push({0,0});
	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[1]==1000000000)
		puts("-1");
	else
		printf("%d\n",dis[1]);
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~
skyscraper.cpp:16:8: 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 5 ms 1024 KB Output is correct
2 Correct 5 ms 1024 KB Output is correct
3 Correct 5 ms 1024 KB Output is correct
4 Correct 5 ms 1024 KB Output is correct
5 Correct 5 ms 1024 KB Output is correct
6 Correct 5 ms 1024 KB Output is correct
7 Correct 5 ms 1152 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1024 KB Output is correct
2 Correct 6 ms 1024 KB Output is correct
3 Correct 5 ms 1024 KB Output is correct
4 Correct 5 ms 1024 KB Output is correct
5 Correct 5 ms 1024 KB Output is correct
6 Correct 5 ms 1024 KB Output is correct
7 Correct 5 ms 1024 KB Output is correct
8 Correct 5 ms 1024 KB Output is correct
9 Correct 5 ms 1024 KB Output is correct
10 Correct 6 ms 1152 KB Output is correct
11 Correct 34 ms 3192 KB Output is correct
12 Correct 54 ms 33016 KB Output is correct
13 Correct 54 ms 33272 KB Output is correct
14 Correct 32 ms 2552 KB Output is correct
15 Correct 32 ms 2560 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1024 KB Output is correct
2 Correct 5 ms 1024 KB Output is correct
3 Correct 5 ms 1024 KB Output is correct
4 Correct 5 ms 1024 KB Output is correct
5 Correct 5 ms 1024 KB Output is correct
6 Correct 5 ms 1024 KB Output is correct
7 Correct 5 ms 1024 KB Output is correct
8 Correct 5 ms 1024 KB Output is correct
9 Correct 5 ms 1024 KB Output is correct
10 Correct 7 ms 1152 KB Output is correct
11 Correct 33 ms 3200 KB Output is correct
12 Correct 54 ms 33016 KB Output is correct
13 Correct 54 ms 33272 KB Output is correct
14 Correct 32 ms 2552 KB Output is correct
15 Correct 32 ms 2552 KB Output is correct
16 Correct 10 ms 1280 KB Output is correct
17 Correct 25 ms 1664 KB Output is correct
18 Correct 11 ms 1024 KB Output is correct
19 Correct 7 ms 1024 KB Output is correct
20 Correct 61 ms 33280 KB Output is correct
21 Correct 13 ms 1152 KB Output is correct
22 Correct 8 ms 1024 KB Output is correct
23 Correct 11 ms 1152 KB Output is correct
24 Correct 26 ms 1272 KB Output is correct
25 Correct 28 ms 1152 KB Output is correct
26 Correct 52 ms 30200 KB Output is correct
27 Correct 53 ms 30968 KB Output is correct
28 Correct 28 ms 1280 KB Output is correct
29 Correct 9 ms 1280 KB Output is correct
30 Correct 5 ms 1024 KB Output is correct
31 Correct 8 ms 1152 KB Output is correct
32 Correct 7 ms 1152 KB Output is correct
33 Correct 33 ms 2556 KB Output is correct
34 Correct 32 ms 2552 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1024 KB Output is correct
2 Correct 6 ms 1024 KB Output is correct
3 Correct 6 ms 1024 KB Output is correct
4 Correct 5 ms 1024 KB Output is correct
5 Correct 5 ms 1024 KB Output is correct
6 Correct 5 ms 1024 KB Output is correct
7 Correct 5 ms 1024 KB Output is correct
8 Correct 5 ms 1024 KB Output is correct
9 Correct 5 ms 1024 KB Output is correct
10 Correct 6 ms 1152 KB Output is correct
11 Correct 33 ms 3200 KB Output is correct
12 Correct 54 ms 32952 KB Output is correct
13 Correct 56 ms 33144 KB Output is correct
14 Correct 32 ms 2604 KB Output is correct
15 Correct 32 ms 2560 KB Output is correct
16 Correct 10 ms 1280 KB Output is correct
17 Correct 25 ms 1656 KB Output is correct
18 Correct 11 ms 1024 KB Output is correct
19 Correct 7 ms 1024 KB Output is correct
20 Correct 63 ms 33272 KB Output is correct
21 Correct 13 ms 1152 KB Output is correct
22 Correct 8 ms 1024 KB Output is correct
23 Correct 11 ms 1152 KB Output is correct
24 Correct 26 ms 1280 KB Output is correct
25 Correct 29 ms 1304 KB Output is correct
26 Correct 53 ms 30200 KB Output is correct
27 Correct 56 ms 30968 KB Output is correct
28 Correct 29 ms 1280 KB Output is correct
29 Correct 9 ms 1280 KB Output is correct
30 Correct 5 ms 1024 KB Output is correct
31 Correct 7 ms 1152 KB Output is correct
32 Correct 6 ms 1152 KB Output is correct
33 Correct 32 ms 2560 KB Output is correct
34 Correct 32 ms 2552 KB Output is correct
35 Execution timed out 1098 ms 10624 KB Time limit exceeded
36 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1024 KB Output is correct
2 Correct 5 ms 1024 KB Output is correct
3 Correct 5 ms 1024 KB Output is correct
4 Correct 5 ms 1024 KB Output is correct
5 Correct 5 ms 1024 KB Output is correct
6 Correct 5 ms 1024 KB Output is correct
7 Correct 5 ms 1024 KB Output is correct
8 Correct 5 ms 1024 KB Output is correct
9 Correct 5 ms 1024 KB Output is correct
10 Correct 6 ms 1152 KB Output is correct
11 Correct 33 ms 3192 KB Output is correct
12 Correct 58 ms 33016 KB Output is correct
13 Correct 54 ms 33144 KB Output is correct
14 Correct 31 ms 2560 KB Output is correct
15 Correct 31 ms 2560 KB Output is correct
16 Correct 10 ms 1280 KB Output is correct
17 Correct 26 ms 1664 KB Output is correct
18 Correct 11 ms 1152 KB Output is correct
19 Correct 8 ms 1024 KB Output is correct
20 Correct 64 ms 33272 KB Output is correct
21 Correct 13 ms 1152 KB Output is correct
22 Correct 8 ms 1024 KB Output is correct
23 Correct 11 ms 1152 KB Output is correct
24 Correct 26 ms 1280 KB Output is correct
25 Correct 27 ms 1280 KB Output is correct
26 Correct 56 ms 30200 KB Output is correct
27 Correct 53 ms 30968 KB Output is correct
28 Correct 29 ms 1304 KB Output is correct
29 Correct 9 ms 1280 KB Output is correct
30 Correct 5 ms 1024 KB Output is correct
31 Correct 7 ms 1152 KB Output is correct
32 Correct 7 ms 1152 KB Output is correct
33 Correct 32 ms 2552 KB Output is correct
34 Correct 32 ms 2552 KB Output is correct
35 Execution timed out 1073 ms 10624 KB Time limit exceeded
36 Halted 0 ms 0 KB -