Submission #533953

# Submission time Handle Problem Language Result Execution time Memory
533953 2022-03-07T18:01:35 Z Icebear16 Fountain Parks (IOI21_parks) C++17
5 / 100
146 ms 23468 KB
#include "parks.h"
#include <bits/stdc++.h>
int construct_roads(std::vector<int> x, std::vector<int> y) {
    if (x.size() == 1) {
	build({}, {}, {}, {});
        return 1;
    }else{
	    std::vector<int> u, v, a, b;
	    std::vector<std::pair<int,int>> A;
	    for(int i=0;i<x.size();i++){
	    	A.push_back(std::make_pair((x[i]+2*y[i]),i));
		}
		sort(A.begin(),A.end());
		int r=x.size()-1;
		int m=y[A[0].second];
		int w=y[A[r].second];
		int e=((w-m)/2)+1; 
		std::vector<int> B(e,-1);
		std::vector<int> C(e,-1);
		for(int i=0;i<x.size();i++){
			if(x[i]==2){
				B[(y[i]-m)/2]=i;
			}else{
				C[(y[i]-m)/2]=i;
			}
		}
		bool flag=true;
	    for(int i=0;i<e;i++){
	    	if(B[i]==-1 && C[i]==-1){
	    		flag=false;
	    		break;
			}
		}
		if(flag==true){
			for(int i=0;i<e;i++){
				if(B[i]>=0 && C[i]>=0){
			    	u.push_back(B[i]);
			    	v.push_back(C[i]);
				    a.push_back(3);
			    	b.push_back((i*2)+m-1);
				}
				if(B[i]>=0 && B[i+1]>=0 && (i+1)!=e){
			    	u.push_back(B[i]);
			    	v.push_back(B[i+1]);
				    a.push_back(1);
			    	b.push_back((i*2)+m+1);
				}
				if(C[i]>=0 && C[i+1]>=0 && (i+1)!=e){
			    	u.push_back(C[i]);
			    	v.push_back(C[i+1]);
				    a.push_back(5);
			    	b.push_back((i*2)+m+1);
				}
			}
		    build(u, v, a, b);
		    return 1;
		}else{
			return 0;
		}
	}
}

Compilation message

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:10:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |      for(int i=0;i<x.size();i++){
      |                  ~^~~~~~~~~
parks.cpp:20:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |   for(int i=0;i<x.size();i++){
      |               ~^~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 292 KB Output is correct
9 Correct 58 ms 9700 KB Output is correct
10 Correct 6 ms 1276 KB Output is correct
11 Correct 26 ms 5240 KB Output is correct
12 Correct 8 ms 1748 KB Output is correct
13 Correct 8 ms 1992 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 63 ms 9708 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 292 KB Output is correct
9 Correct 58 ms 9700 KB Output is correct
10 Correct 6 ms 1276 KB Output is correct
11 Correct 26 ms 5240 KB Output is correct
12 Correct 8 ms 1748 KB Output is correct
13 Correct 8 ms 1992 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 63 ms 9708 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 146 ms 23348 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 428 KB Output is correct
26 Correct 1 ms 684 KB Output is correct
27 Correct 2 ms 1100 KB Output is correct
28 Correct 61 ms 9988 KB Output is correct
29 Correct 82 ms 13768 KB Output is correct
30 Correct 118 ms 20060 KB Output is correct
31 Correct 141 ms 23468 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Incorrect 1 ms 204 KB Given structure is not connected: There is no path between vertices 0 and 1
36 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 292 KB Output is correct
9 Correct 58 ms 9700 KB Output is correct
10 Correct 6 ms 1276 KB Output is correct
11 Correct 26 ms 5240 KB Output is correct
12 Correct 8 ms 1748 KB Output is correct
13 Correct 8 ms 1992 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 63 ms 9708 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 146 ms 23348 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 428 KB Output is correct
26 Correct 1 ms 684 KB Output is correct
27 Correct 2 ms 1100 KB Output is correct
28 Correct 61 ms 9988 KB Output is correct
29 Correct 82 ms 13768 KB Output is correct
30 Correct 118 ms 20060 KB Output is correct
31 Correct 141 ms 23468 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Incorrect 1 ms 204 KB Given structure is not connected: There is no path between vertices 0 and 1
36 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 292 KB Output is correct
9 Correct 58 ms 9700 KB Output is correct
10 Correct 6 ms 1276 KB Output is correct
11 Correct 26 ms 5240 KB Output is correct
12 Correct 8 ms 1748 KB Output is correct
13 Correct 8 ms 1992 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 63 ms 9708 KB Output is correct
17 Incorrect 1 ms 204 KB Pair u[0]=2 @(199998, 2) and v[0]=1 @(200000, 4) does not form a valid edge (distance != 2)
18 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 292 KB Output is correct
9 Correct 58 ms 9700 KB Output is correct
10 Correct 6 ms 1276 KB Output is correct
11 Correct 26 ms 5240 KB Output is correct
12 Correct 8 ms 1748 KB Output is correct
13 Correct 8 ms 1992 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 63 ms 9708 KB Output is correct
17 Incorrect 107 ms 15780 KB Pair u[0]=199575 @(2, 2) and v[0]=199999 @(62538, 2) does not form a valid edge (distance != 2)
18 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 292 KB Output is correct
9 Correct 58 ms 9700 KB Output is correct
10 Correct 6 ms 1276 KB Output is correct
11 Correct 26 ms 5240 KB Output is correct
12 Correct 8 ms 1748 KB Output is correct
13 Correct 8 ms 1992 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 63 ms 9708 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 146 ms 23348 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 428 KB Output is correct
26 Correct 1 ms 684 KB Output is correct
27 Correct 2 ms 1100 KB Output is correct
28 Correct 61 ms 9988 KB Output is correct
29 Correct 82 ms 13768 KB Output is correct
30 Correct 118 ms 20060 KB Output is correct
31 Correct 141 ms 23468 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Incorrect 1 ms 204 KB Given structure is not connected: There is no path between vertices 0 and 1
36 Halted 0 ms 0 KB -