Submission #595914

#	Time	Username	Problem	Language	Result	Execution time	Memory
595914		Apiram	Scales (IOI15_scales)	C++14	0 / 100	3 ms	468 KiB

scales

#include "scales.h"
#include <bits/stdc++.h>
using namespace std;
void init(int T) {
	//1 2 3 4 5 6
	// 5 - operations to get first and last value -> call median 4times then maximum or minimum 1 times
	// 2 - median call to get middle value
	// 2 call to do remaining
	// 9 calls to sort
}
//3 4 6 2 1 5
void orderCoins() {
   vector<int>ans = {1,2,3,4,5,6};
   auto exchange = [&](int i,int j,int p,int q,int r){
		int index = -1;
		for (auto x:{p,q,r}){
			if (ans[x] == i){index = j;ans[x] = j;}
			else if (ans[x] == j)ans[x] =i;
		}
		return index;
	};
	// 3 -> 3 2 1 4 5 6
   int a = getLightest(ans[0],ans[1],ans[2]);
   exchange(a,ans[0],0,1,2);
   int b = getLightest(ans[3],ans[4],ans[5]);
   exchange(a,ans[3],3,4,5);
   int c = getLightest(ans[0],ans[1],ans[3]);
   if (c == ans[0]){
		exchange(ans[3],ans[1],0,1,3);
	}
	else{
		exchange(ans[0],ans[1],0,1,3);
		exchange(ans[3],ans[0],0,1,3);
	}
	a = getHeaviest(ans[5],ans[2],ans[3]);
	exchange(a,ans[5],5,2,3);
	a = getHeaviest(ans[1],ans[4],ans[5]);
	exchange(a,ans[5],1,4,5);
	a = getHeaviest(ans[2],ans[3],ans[4]);
	exchange(a,ans[4],2,3,4);
	a = getLightest(ans[2],ans[3],ans[4]);
	exchange(a,ans[2],2,3,4);
   answer(ans.data());
	return;
}

Compilation message (stderr)

scales.cpp: In function 'void init(int)':
scales.cpp:4:15: warning: unused parameter 'T' [-Wunused-parameter]
    4 | void init(int T) {
      |           ~~~~^
scales.cpp: In function 'void orderCoins()':
scales.cpp:25:8: warning: unused variable 'b' [-Wunused-variable]
   25 |    int b = getLightest(ans[3],ans[4],ans[5]);
      |        ^

• Subtask 1: 0 / 100