Submission #580822

#	Time	Username	Problem	Language	Result	Execution time	Memory
580822		HeyYouNotYouYou	Coins (IOI17_coins)	C++14	Compilation error	0 ms	0 KiB

coins

#include "coins.h"
#include "grader.cpp"
#include<bits/stdc++.h>
using namespace std;
vector<int> coin_flips(std::vector<int> b, int c) {
    vector<int> flips;
    ////////subtask 1 and 2
    if(c<2){
      //[0,0],[0,1],[1,0],[1,1]
      if(c==0){
        if(b[0]==0&&b[1]==0) flips.push_back(0); //10
        if(b[0]==1&&b[1]==0) flips.push_back(0); //00
        if(b[0]==0&&b[1]==1) flips.push_back(1); //00
        if(b[0]==1&&b[1]==1) flips.push_back(1); //10
      }else if(c==1){
        if(b[0]==0&&b[1]==0) flips.push_back(1); //01
        if(b[0]==0&&b[1]==1) flips.push_back(0); //11
        if(b[0]==1&&b[1]==0) flips.push_back(1); //11
        if(b[0]==1&&b[1]==1) flips.push_back(0); //01
      }
    }
    return flips;
}

int find_coin(std::vector<int> b) {
    if((b[0]==1&&b[1]==0)||(b[0]==0&&b[1]==0)) return 0;
    if((b[0]==0&&b[1]==1)||(b[0]==1&&b[1]==1)) return 1;

}

Compilation message (stderr)

coins.cpp: In function 'int find_coin(std::vector<int>)':
coins.cpp:29:1: warning: control reaches end of non-void function [-Wreturn-type]
   29 | }
      | ^
/usr/bin/ld: /tmp/cctREywV.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccRpzxUU.o:coins.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status