Submission #551072

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
551072	2022-04-19 18:38:07	PiejanVDC	Fountain Parks (IOI21_parks)	C++17	Compilation error	0 ms	0 KiB

parks

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#include <bits/stdc++.h>
//#include "parks.h"
using namespace std;
int dx[4] = {2,0,-2,0};
int dy[4] = {0,2,0,-2};
struct S {
    int x,y;
    int dir;
}s_;
void build(vector<int> u, vector<int> v, vector<int> a, vector<int> b);
const int mxN = (int)2e5 + 5;
int construct_roads(std::vector<int> x, std::vector<int> y) {
    const int n = (int)x.size();
    map<pair<int,int>,int>mp;
    for(int i = 0 ; i < n ; i++)
        mp[{x[i],y[i]}] = i;
    vector<int>u(n-1),v(n-1),a(n-1),b(n-1);
    set<pair<int,int>>processed;
    stack<S>s;
    s_.x = x[0], s_.y = y[0], s_.dir = 0;
    processed.insert({x[0], y[0]});
    s.push(s_);
 
 
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Compilation message (stderr)

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:44:13: warning: unused variable 'p_' [-Wunused-variable]
   44 |         int p_ = P;
      |             ^~
/usr/bin/ld: /tmp/ccESuh8c.o: in function `build(std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)':
grader.cpp:(.text+0x270): multiple definition of `build(std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'; /tmp/ccAbt3vc.o:parks.cpp:(.text+0x520): first defined here
/usr/bin/ld: /tmp/ccESuh8c.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccAbt3vc.o:parks.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status