add more testdata examples

examples/testdata/A+B Problem/aplusb1.in

@@ -0,0 +1 @@
+1 2

examples/testdata/A+B Problem/aplusb1.out

@@ -0,0 +1 @@
+3

examples/testdata/Special Judge/a1.in

@@ -0,0 +1 @@
+1 2

examples/testdata/Special Judge/a1.out

@@ -0,0 +1 @@
+3

examples/testdata/Special Judge/chk.cc

@@ -0,0 +1,14 @@
+#include "testlib.h"
+#include <cmath>
+
+int main(int argc, char *argv[]) {
+  /*
+   * inf：输入
+   * ouf：选手输出
+   * ans：标准输出
+   */
+  registerTestlibCmd(argc, argv);
+  double pans = ouf.readDouble(), jans = ans.readDouble();
+  if (pans == jans) quitf(_ok, "Good job\n");
+  else quitf(_wa, "Too big or too small, expected %f, found %f\n", jans, pans);
+}

examples/testdata/Special Judge/config.yaml

@@ -0,0 +1,3 @@
+type: default
+checker_type: testlib
+checker: chk.cc