Submission #894155

#	Time	Username	Problem	Language	Result	Execution time	Memory
894155		ozner77	Arranging Shoes (IOI19_shoes)	C++17	Compilation error	0 ms	0 KiB

shoes

#include <iostream>
#include <vector>
using namespace std;
int a,b,c;
vector<int> V;
int main()
{
    scanf("%d",&a);
    for(int i=0;i<a*2;i++){
        scanf("%d",&b);
        V.append(b);
    }
    if(V[0]<0){
        printf("%d",0);
    }else{
        printf("%d",1);
    }
}

Compilation message (stderr)

shoes.cpp: In function 'int main()':
shoes.cpp:11:11: error: 'class std::vector<int>' has no member named 'append'
   11 |         V.append(b);
      |           ^~~~~~
shoes.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |     scanf("%d",&a);
      |     ~~~~~^~~~~~~~~
shoes.cpp:10:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |         scanf("%d",&b);
      |         ~~~~~^~~~~~~~~