문제 링크입니다: https://www.acmicpc.net/problem/4623
4623번: Copier Reduction
The input consists of one or more test cases, each of which is a single line containing four positive integers A, B, C, and D, separated by a space, representing an AxBmm image and a CxDmm piece of paper. All inputs will be less than one thousand. Followin
www.acmicpc.net
최소 퍼센티지는 1, 최대 퍼센티지는 100이기 때문에 이분탐색을 통해 해결한 문제였습니다.
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#include <iostream> | |
#include <algorithm> | |
using namespace std; | |
int main(void) | |
{ | |
ios_base::sync_with_stdio(0); | |
cin.tie(0); | |
while (1) | |
{ | |
int A, B, C, D; | |
cin >> A >> B >> C >> D; | |
if (A == 0 && B == 0 && C == 0 && D == 0) | |
{ | |
break; | |
} | |
if (A < B) | |
{ | |
swap(A, B); | |
} | |
if (C < D) | |
{ | |
swap(C, D); | |
} | |
int start = 1, end = 100; | |
int result; | |
while (start <= end) | |
{ | |
int mid = (start + end) / 2; | |
if (A * mid <= C * 100 | |
&& B * mid <= D * 100) | |
{ | |
start = mid + 1; | |
result = mid; | |
} | |
else | |
{ | |
end = mid - 1; | |
} | |
} | |
cout << result << "%\n"; | |
} | |
return 0; | |
} |


개발환경:Visual Studio 2017
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