'commit'

2025-08-30 18:35:01 +08:00
commit 1f397eca87
6258 changed files with 1487241 additions and 0 deletions
--- a/GESP/资料/灰阶图像/十六进制转换测试.cpp
+++ b/GESP/资料/灰阶图像/十六进制转换测试.cpp
@@ -0,0 +1,48 @@
+include <bits/stdc++.h>
+using namespace std;
+
+//<2F><>һ<EFBFBD><D2BB>16<31><36><EFBFBD>ƵĻҽ<C4BB>תΪһ<CEAA><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>±<EFBFBD><C2B1><EFBFBD><EFBFBD><EFBFBD>ֵ
+int toDec(char a, char b) {
+	int res = 0;
+	if (a >= '0' && a <= '9')
+		res += (a - '0') * 16;
+	else if (a >= 'A' && a <= 'F')
+		res += (a - 'A' + 10) * 16;
+
+	if (b >= '0' && b <= '9')
+		res += b - '0';
+	else if (b >= 'A' && b <= 'F')
+		res += b - 'A' + 10;
+	return res;
+}
+
+//<2F><>һ<EFBFBD><D2BB>ʮ<EFBFBD><CAAE><EFBFBD>ƵĻҽ<C4BB>ֵ[0,255]ת<><D7AA><EFBFBD><EFBFBD>ʮ<EFBFBD><CAAE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>[0,FF]
+string toHex(int x) {
+	char c1, c2;
+	int a = x % 16; // 0 ~ 15
+	int b = x / 16; //
+	if (a >= 10)
+		c1 = 'A' + a - 10;
+	else
+		c1 = '0' + a;
+	if (b >= 10)
+		c2 = 'A' + b - 10;
+	else
+		c2 =  '0' + b;
+
+	string res;
+	res.push_back(c2);
+	res.push_back(c1);
+	return res;
+}
+
+int main() {
+	cout << toDec('A', 'B') << endl;// AB-->? 10*16+ 11 =171
+	cout << toDec('1', '3') << endl;// 19
+	cout << toDec('1', 'A') << endl;// 26
+
+	cout << toHex(171) << endl; //AB
+	cout << toHex(19) << endl; //13
+	cout << toHex(26) << endl; //1A
+	return 0;
+}