Submission #600646

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
600646	2022-07-21 06:39:53	kig9981	Counting Mushrooms (IOI20_mushrooms)	C++17	Compilation error	0 ms	0 KiB

mushrooms

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#include "mushrooms.h"
#include <bits/stdc++.h>
#ifdef NON_SUBMIT
#define TEST(n) (n)
#define tout cerr
#else
#define TEST(n) ((void)0)
#define tout cin
#endif
using namespace std;
vector<pair<int,int>> V;
vector<int> A, B, Q;
int use_machine(vector<int> a) {return 0;}
void query2()
{
  int a=V[0].first, b=V[1].first, r;
  if(A.size()>1) {
    r=use_machine({A[0],a,A[1],b});
    if(r&1) {
      B.push_back(b);
      A.push_back(V[1].second);
    }
    else {
      A.push_back(b);
      B.push_back(V[1].second);
 
 
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Compilation message (stderr)

mushrooms.cpp: In function 'int query()':
mushrooms.cpp:136:13: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  136 |  if(A.size()>=m) {
      |     ~~~~~~~~^~~
/usr/bin/ld: /tmp/ccwXRGtz.o: in function `use_machine(std::vector<int, std::allocator<int> >)':
stub.cpp:(.text+0x150): multiple definition of `use_machine(std::vector<int, std::allocator<int> >)'; /tmp/cc7oMbkA.o:mushrooms.cpp:(.text+0x0): first defined here
collect2: error: ld returned 1 exit status