제출 #364975

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
364975		rocks03	저울 (IOI15_scales)	C++14	45.45 / 100	1 ms	512 KiB

scales

#include "scales.h"
//#pragma GCC target("avx2")
//#pragma GCC optimization("O3")
//#pragma GCC optimization("unroll-loops")
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define ff first
#define ss second
#define pb push_back
#define SZ(x) ((int)(x).size())
#define all(x) x.begin(), x.end()
#define rep(i, a, b) for(int i = (a); i < (b); i++)
#define Re(i, a, b) for(int i = (a); i >= (b); i--)

int solution[6];

void init(int T){

}

void answer(int []);

void ordina3(int& x, int& y, int& z){
    int c = getHeaviest(x, y, z);
    int a = getLightest(x, y, z);
    int b;
    int arr[] = {x, y, z};
    for(int i = 0; i < 3; i++){
        if(a != arr[i] && c != arr[i]) b = arr[i];
    }
    x = a, y = b, z = c;
}

void orderCoins(){
    for(int i = 0; i < 6; i++){
        solution[i] = i + 1;
    }
    ordina3(solution[0], solution[1], solution[2]);
    ordina3(solution[3], solution[4], solution[5]);
    vector<int> my_ans;
    int l = 0, r = 3;
    while(1){
        if(2 - l + 1 + 5 - r + 1 == 3){
            for(int i = 0; i < 6; i++){
                if(l <= i && i <= 2){
                    my_ans.pb(solution[i]);
                }
                if(r <= i && i <= 5){
                    my_ans.pb(solution[i]);
                }
            }
            ordina3(my_ans[3], my_ans[4], my_ans[5]);
            break;
        }
        if(l + 1 <= 2){
            int x1 = solution[l], x2 = solution[l + 1], x3 = solution[r];
            int x = getLightest(x1, x2, x3);
            if(x1 == x){
                my_ans.pb(solution[l++]);
            } else if(x3 == x){
                my_ans.pb(solution[r++]);
            }
        } else if(r + 1 <= 5){
            int x1 = solution[l], x2 = solution[r], x3 = solution[r + 1];
            int x = getLightest(x1, x2, x3);
            if(x1 == x){
                my_ans.pb(solution[l++]);
            } else if(x2 == x){
                my_ans.pb(solution[r++]);
            }
        } else assert(false);
    }
    for(int i = 0; i < 6; i++){
        solution[i] = my_ans[i];
    }
    answer(solution);
}

컴파일 시 표준 에러 (stderr) 메시지

scales.cpp: In function 'void init(int)':
scales.cpp:20:15: warning: unused parameter 'T' [-Wunused-parameter]
   20 | void init(int T){
      |           ~~~~^
scales.cpp: In function 'void ordina3(int&, int&, int&)':
scales.cpp:34:14: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized]
   34 |     x = a, y = b, z = c;
      |            ~~^~~

• Subtask 1: 45.454545 / 100