Merge branch 'main' of github.com:tkzzzzzz6/Algorithm_beginner_learning_notes

Author: tkzzzzzz6

codesnippet/tk/cpp/ac.sublime-snippet

@@ -0,0 +1,27 @@
+<snippet>
+    <content><![CDATA[
+#include <algorithm>
+#include <cmath>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <string>
+#include <vector>
+typedef long long ll;
+using namespace std;
+
+int main() {
+    int t;
+    cin >> t;
+    {1}
+
+    return 0;
+}
+
+]]></content>
+    <!-- Optional: Set a tabTrigger to define how to trigger the snippet -->
+    <tabTrigger>ac</tabTrigger>
+    <!-- Optional: Set a scope to limit where the snippet will trigger -->
+    <scope>source.c++</scope>
+</snippet>

hydro_oj/NTU_2025_Freshman_Algo_Comp_OuterField/F. 有效电平/1

@@ -0,0 +1,29 @@
+#include <algorithm>
+#include <iomanip>
+#include <cmath>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <string>
+#include <vector>
+#include <numbers>
+typedef long long ll;
+using namespace std;
+
+const double PI = acos(-1.0);
+
+int main() {
+    ios::sync_with_stdio(false),cin.tie(0);
+    cout << fixed << setprecision(10);
+    int t;
+    cin >> t;
+    while(t--){
+        int r,a;
+        cin >> r >> a;
+        cout << cos(a*PI/180.0)*r << ' ' << r*sin(a*PI/180.0) <<'\n';
+    }
+
+
+    return 0;
+}

hydro_oj/NTU_2025_Freshman_Algo_Comp_OuterField/F. 有效电平/2.cpp

@@ -0,0 +1,5 @@
+[
+	{
+		"test": ""
+	}
+]

hydro_oj/NTU_2025_Freshman_Algo_Comp_OuterField/O. 字符串交换/1

@@ -0,0 +1,30 @@
+#include <algorithm>
+#include <cmath>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <string>
+#include <vector>
+typedef long long ll;
+using namespace std;
+
+vector<int>a;
+
+int main() {
+    ios::sync_with_stdio(false),cin.tie(0);
+    int n,m;
+    cin >> n >> m;
+    a.resize(n);
+    for(int i = 0;i<n;++i)cin >> a[i];
+
+    while(m--){
+        int i;
+        cin >> i;
+        cout << a[i-1];
+        if(m>0)cout << ' ';
+    }
+    cout << '\n';
+
+    return 0;
+}

hydro_oj/NTU_2025_Freshman_Algo_Comp_OuterField/Q.旋转点/1

@@ -0,0 +1,41 @@
+#include <algorithm>
+#include <cmath>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <string>
+#include <vector>
+typedef long long ll;
+using namespace std;
+
+string s;
+
+int main() {
+    ios::sync_with_stdio(false),cin.tie(0);
+    int t;
+    cin >> t;
+    int cnt_0 = 0;
+    for(int i = 0;i<t;++i){
+        int x;
+        cin >> x;
+        if(x == 0)cnt_0++;
+    }
+
+    if(cnt_0 == t){
+        for(int i = 0;i<cnt_0;++i){
+            s+='0';
+            if(i<cnt_0-1)s+=' ';
+        }
+        s+='\n';
+        cout << s;
+        return 0;
+    }
+    for(int i = 0;i<cnt_0;++i)s+="0 ";
+    for(int i = 1;i<(t-cnt_0);++i)s+="1 ";
+    s+="1\n";
+
+    cout << s;
+
+    return 0;
+}

hydro_oj/NTU_2025_Freshman_Algo_Comp_OuterField/Q.旋转点/1.cpp

@@ -0,0 +1,42 @@
+#include <iostream>
+
+// 只包含必要的头文件
+
+int main() {
+    // 优化输入输出
+    std::ios_base::sync_with_stdio(false);
+    std::cin.tie(nullptr);
+
+    int t;
+    std::cin >> t;
+
+    int cnt_0 = 0;
+    // 使用一个临时变量 n 来保存原始的 t 值
+    int n = t;
+    while (t--) {
+        int x;
+        std::cin >> x;
+        if (x == 0) {
+            cnt_0++;
+        }
+    }
+
+    // 使用一个循环完成所有输出
+    for (int i = 0; i < n; ++i) {
+        // 在输出每个数字之前，先判断是不是第一个数
+        // 如果不是第一个数，就先输出一个空格
+        if (i > 0) {
+            std::cout << ' ';
+        }
+
+        // 根据当前是第几个数来决定输出 0 还是 1
+        if (i < cnt_0) {
+            std::cout << 0;
+        } else {
+            std::cout << 1;
+        }
+    }
+    std::cout << '\n'; // 最后输出一个换行符
+
+    return 0;
+}