Submission #385255

#	Time	Username	Problem	Language	Result	Execution time	Memory
385255		Iwanttobreakfree	Coins (IOI17_coins)	C++17	Compilation error	0 ms	0 KiB

coins

#include "coins.h"
#include <vector>
using namespace std;
vector<int> coin_flips(vector<int> b, int c) {
	vector<int> flips;
    if(n==2){
    if(c==0){
    	if(b[0]==1&&b[1]==0)flips.push_back(0);
    	else if(b[0]==1&&b[1]==1)flips.push_back(0);
    }
    else{
    	if(b[0]==0&&b[1]==0)flips.push_back(0);
    	else if(b[0]==0&&b[1]==1)flips.push_back(0);
	}
	}
	if(n==3){
		if(c==0){
			if(b[0]==1)flips.push_pack(0);
			else flips.push_pack(1);
		}
		if(c==1){
			if(b[0]==0&&b[1]==0)flips.push_pack(0);
			else if(b[1]==0)flips.push_back(2);
			else if(b[1]==1)flips.push_back(1);
		}
		if(c==2){
			
		}
	}
	if(n>3){
		for(int i=0;i<n;i++){
			if(b[i]==1)flips.push_back(i);
		}
		if(b[c]==0)flips.push_back(c);
	}
    return flips;
}

int find_coin(vector<int> b) {
	int n=b.size();
	if(n==1)return 0;
    if(n==2){
    	if(b[0]==0)return 0;
    	else return 1;
	}
	if(n==3){
		if(b[0]==0)return 0;
		if(b[1]==0)return 1;
		return 2;
	}
	if(n>3){
		for(int i=0;i<n;i++)if(b[i]==1)return i;
	}
}

Compilation message (stderr)

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:6:8: error: 'n' was not declared in this scope
    6 |     if(n==2){
      |        ^
coins.cpp:16:5: error: 'n' was not declared in this scope
   16 |  if(n==3){
      |     ^
coins.cpp:18:21: error: 'class std::vector<int>' has no member named 'push_pack'; did you mean 'push_back'?
   18 |    if(b[0]==1)flips.push_pack(0);
      |                     ^~~~~~~~~
      |                     push_back
coins.cpp:19:15: error: 'class std::vector<int>' has no member named 'push_pack'; did you mean 'push_back'?
   19 |    else flips.push_pack(1);
      |               ^~~~~~~~~
      |               push_back
coins.cpp:22:30: error: 'class std::vector<int>' has no member named 'push_pack'; did you mean 'push_back'?
   22 |    if(b[0]==0&&b[1]==0)flips.push_pack(0);
      |                              ^~~~~~~~~
      |                              push_back
coins.cpp:30:5: error: 'n' was not declared in this scope
   30 |  if(n>3){
      |     ^
coins.cpp: In function 'int find_coin(std::vector<int>)':
coins.cpp:54:1: warning: control reaches end of non-void function [-Wreturn-type]
   54 | }
      | ^