제출 #691686

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
691686		mychecksedad	저울 (IOI15_scales)	C++17	71.43 / 100	1 ms	304 KiB

scales

#include <bits/stdc++.h>
#include <scales.h>
using namespace std;

void init(int T){

}

void answer(int W[]);

int getMedian(int A, int B, int C);
int getHeaviest(int A, int B, int C);
int getLightest(int A, int B, int C);
int getNextLightest(int A, int B, int C, int D);

void verase(int x, vector<int> &v){
	for(int i = 0; i < v.size(); ++i){
		if(v[i] == x){
			v.erase(v.begin() + i);
			return;
		}
	}
}
void vinsert(int pos, int val, vector<int> &v){
	for(int i = v.size() - 1; i > pos; --i) v[i] = v[i - 1];
	v[pos] = val;
}
void orderCoins() {
    int W[6];

    int mx = getHeaviest(1, 2, 3);

    int val = getNextLightest(1, 2, 3, 4);

    vector<int> v(7);
    vector<bool> used(7);
    v[3] = mx;
    used[v[3]] = 1;

    if(val == mx){
    	int mn = getLightest(1, 2, 3);
    	v[2] = 4;
    	v[0] = mn;
    	used[v[2]] = used[v[0]] = 1;
    	for(int i = 1; i <= 3; ++i) if(!used[i]) v[1] = i;
    }else{
    	used[val] = 1;
    	int k;
    	for(int i = 1; i <= 3; ++i) if(!used[i]) k = i;
    	int med = getMedian(k, v[3], 4);
    	if(med == v[3]){
    		v[2] = v[3];
    		v[3] = 4;
    		v[0] = val;
    		v[1] = k;
    	}else if(med == 4){
    		v[0] = k;
    		v[1] = 4;
    		v[2] = val;
    	}else{
    		v[0] = 4;
    		v[1] = val;
    		v[2] = k;
    	}
    }

    int five1 = getMedian(v[0], v[1], 5);
    if(five1 == v[0]){
    	vinsert(0, 5, v);
    }else if(five1 == 5){
    	vinsert(1, 5, v);
    }else{
    	int five2 = getMedian(v[2], v[3], 5);
    	if(five2 == v[3]){
    		vinsert(4, 5, v);
    	}else if(five2 == v[2]){
    		vinsert(2, 5, v);
    	}else{
    		vinsert(3, 5, v);
    	}
    }
    int six1 = getMedian(v[2], v[3], 6);
    if(six1 == 6){
    	vinsert(3, 6, v);
    }else if(six1 == v[2]){
    	int six2 = getMedian(v[0], v[1], 6);
    	if(six2 == v[0]){
    		vinsert(0, 6, v);
    	}else if(six2 == v[1]){
    		vinsert(2, 6, v);
    	}else{
    		vinsert(1, 6, v);
    	}
    }else if(six1 == v[3]){
    	int six2 = getHeaviest(v[0], v[4], 6);
    	if(six2 == 6){
    		vinsert(5, 6, v);
    	}else{
    		vinsert(4, 6, v);
    	}
    }
    for(int i = 0; i < 6; ++i) W[i] = v[i];

    answer(W);
}

컴파일 시 표준 에러 (stderr) 메시지

scales.cpp: In function 'void init(int)':
scales.cpp:5:15: warning: unused parameter 'T' [-Wunused-parameter]
    5 | void init(int T){
      |           ~~~~^
scales.cpp: In function 'void verase(int, std::vector<int>&)':
scales.cpp:17:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  for(int i = 0; i < v.size(); ++i){
      |                 ~~^~~~~~~~~~
scales.cpp: In function 'void vinsert(int, int, std::vector<int>&)':
scales.cpp:25:23: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' may change value [-Wconversion]
   25 |  for(int i = v.size() - 1; i > pos; --i) v[i] = v[i - 1];
      |              ~~~~~~~~~^~~

• Subtask 1: 71.428571 / 100