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Commit 25c3bee

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Lv2_전력망을둘로나누기
1 parent ba25dce commit 25c3bee

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3 files changed

+67
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lines changed

3 files changed

+67
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#include <string>
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#include <vector>
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#include <iostream>
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#include <queue>
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using namespace std;
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bool arr[101][101];
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int solution(int n, vector<vector<int>> wires) {
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int answer = n;
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int count = 0;
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for (auto a : wires) {
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arr[a[0]][a[1]] = true;
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arr[a[1]][a[0]] = true;
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}
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for (auto a : wires) {
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arr[a[0]][a[1]] = false;
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arr[a[1]][a[0]] = false;
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count = 1;
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queue<int> q;
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vector<bool> check(101, false);
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q.push(1);
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check[1] = true;
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while (!q.empty()) {
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int now = q.front();
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q.pop();
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for (int i = 1; i <= n; ++i) {
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if (!check[i] && arr[now][i]) {
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++count;
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q.push(i);
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check[i] = true;
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}
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}
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}
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if (abs(n-count-count) < answer)
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answer = abs(n - count - count);
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if (answer == 0)
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break;
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arr[a[0]][a[1]] = true;
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arr[a[1]][a[0]] = true;
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}
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return answer;
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}
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int main() {
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vector<vector<int>> wires1 = { {1, 3}, {2, 3}, {3, 4}, {4, 5}, {4, 6}, {4, 7}, {7, 8}, {7, 9} };
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vector<vector<int>> wires2 = {{1, 2}, {2, 3}, {3, 4}};
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vector<vector<int>> wires3 = {{1, 2}, {2, 7}, {3, 7}, {3, 4}, {4, 5}, {6, 7}};
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cout << solution(4, wires2);
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return 0;
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}

‎Programmers/Programmers.vcxproj

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<ClCompile Include="Lv2\Lv2_위장.cpp">
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<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</ExcludedFromBuild>
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</ClCompile>
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<ClCompile Include="Lv2\Lv2_전력망을둘로나누기.cpp">
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<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</ExcludedFromBuild>
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</ClCompile>
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<ClCompile Include="Lv2\Lv2_전화번호목록.cpp">
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<ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</ExcludedFromBuild>
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</ClCompile>

‎Programmers/Programmers.vcxproj.filters

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<ClCompile Include="Lv2\Lv2_교점에별만들기.cpp">
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<Filter>소스 파일\Lv2</Filter>
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</ClCompile>
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<ClCompile Include="Lv2\Lv2_전력망을둘로나누기.cpp">
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<Filter>소스 파일\Lv2</Filter>
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</ClCompile>
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</ItemGroup>
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<ItemGroup>
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<None Include="packages.config" />

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