Submission #530715

#	Time	Username	Problem	Language	Result	Execution time	Memory
530715		Icebear16	Fountain Parks (IOI21_parks)	C++17	0 / 100	3534 ms	3716 KiB

parks

#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;
	    bool flag=true;
	    std::vector<int> p;
	    p=y;
	    std::vector<int> t;
	    sort(p.begin(),p.end());
	    for(int i=0;i<x.size();i++){
	    	for(int j=0;j<x.size();j++){
	    		if(p[i]==y[j]){
	    			t.push_back(j);
	    			break;
				}
			}
		}
	    for(int i=1;i<x.size();i++){
	    	if(p[i]%2==1 || p[i]-p[i-1]!=2){
	    		flag=false;
	    		break;
			}
		}
		if(flag==true){
			for(int i=0;i<x.size()-1;i++){
		    	u.push_back(t[i]);
		    	v.push_back(t[i+1]);
			    a.push_back(x[i]+1);
		    	b.push_back(p[i]+1);
			}
		    build(u, v, a, b);
		    return 1;
		}else{
			return 0;
		}
	}
}

Compilation message (stderr)

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:14:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |      for(int i=0;i<x.size();i++){
      |                  ~^~~~~~~~~
parks.cpp:15:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |       for(int j=0;j<x.size();j++){
      |                   ~^~~~~~~~~
parks.cpp:22:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |      for(int i=1;i<x.size();i++){
      |                  ~^~~~~~~~~
parks.cpp:29:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |    for(int i=0;i<x.size()-1;i++){
      |                ~^~~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30