Submission #385256

#	Time	Username	Problem	Language	Result	Execution time	Memory
385256		Iwanttobreakfree	Coins (IOI17_coins)	C++17	0 / 100	11 ms	1788 KiB

coins

#include "coins.h"
#include <vector>
using namespace std;
vector<int> coin_flips(vector<int> b, int c) {
	vector<int> flips;
	int n=b.size();
	if(n==1)flips.push_back(0);
    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_back(0);
			else flips.push_back(1);
		}
		if(c==1){
			if(b[0]==0&&b[1]==0)flips.push_back(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 'int find_coin(std::vector<int>)':
coins.cpp:56:1: warning: control reaches end of non-void function [-Wreturn-type]
   56 | }
      | ^

• Subtask 1: 0 / 10
• Subtask 2: 0 / 15
• Subtask 3: 0 / 10
• Subtask 4: 0 / 15
• Subtask 5: 0 / 50