/**
* Generate the actual code from problem object
*/
std::string CppCode::generateCode(Problem& problem) {
//All header file list
std::string theCode = this->cppHeaderfiles();
theCode += std::string("\n#define Zclr(arr) memset(arr, 0, sizeof(arr))\n") +
"#define Nclr(arr) memset(arr, -1, sizeof(arr))\n" +
"#define M31 1<<30\n" +
"#define Pi (2.0*acos(0.0))\n" +
"#define Eps (1e-9)\n"+
"#define Rep(_var, _N) for (int _var=0; _var<_N; _var++ )\n"+
"#define For(_var, _S, _N) for (int _var=_S; _var<=_N; _var++ )\n\n";
theCode += "class "+problem.getClassName()+" {\n" +
"public:\n"+this->methodCode(problem.getMethod()) +
"};\n\n"; //end of class code
theCode += "// <editor-fold defaultstate=\"collapsed\" desc=\"Generated Code\">\n";
theCode += "namespace otocoder {\n" +
this->generateOutputComparison(problem.getMethod()->getReturnVariable())+
this->generateRunTest() +
this->generateFormatResult(problem.getMethod()->getReturnVariable()) +
this->generateVerifyCase(problem) +
this->generateRunTestCase(problem) +
this->generateFullTestReader(problem)+
"}\n\n";
theCode += this->generateDefaultMain();
theCode += "// </editor-fold>\n";
return theCode;
}
std::string CppCode::generateRunTestCase(Problem& problem) {
std::string mCode;
mCode = " int run_test_case(int casenum) {\n";
mCode += " switch (casenum) {\n";
char arr[200];
// Generate the individual test cases
int totalCases = problem.getSampleTestSize();
for (int i = 0; i < totalCases; ++i) {
sprintf(arr, " case %d: {\n", i);
mCode += arr;
mCode += this->generateTestCase(i, problem.getClassName(), problem.getMethod(), problem.getSampleTestCaseAt(i));
mCode += " }\n";
}
// next
mCode +=std::string(" default:\n") +
" return -1;\n" +
" }\n" +
" }\n\n";
return mCode;
}
std::string CppCode::generateFullTestReader(Problem& problem) {
Method* method = problem.getMethod();
Variable* var;
std::string code =
tabStr + "const std::string currentDateTime() {\n"+
tabStr + tabStr + "time_t now = time(0);\n"+
tabStr + tabStr + "struct tm tstruct;\n"+
tabStr + tabStr + "char buf[80];\n" +
tabStr + tabStr + "tstruct = *localtime(&now);\n"+
tabStr + tabStr + "strftime(buf, sizeof(buf), \"%Y-%m-%d %X\", &tstruct);\n"+
tabStr + tabStr + "return buf;\n"+
tabStr+"}\n\n"+
tabStr+"//This method will only accept input files that are formatted in proper way.\n"+
tabStr+"//Command line example: "+problem.getClassName()+".exe -2 <"+problem.getClassName()+".io\n"+
tabStr+"bool run_full_test() {\n" +
tabStr+tabStr+"int testCase, N, caseNo, correct=0;\n";
//declare all variables
for (int i=0; i<method->getNumberOfParameters(); i++) {
var = method->getParameterAt(i);
code+= tabStr+tabStr+this->generateDatatype(var)+" "+var->getName()+";\n";//vector<int> var;
//if we have an array then we will create another variable to read single item of that array, redundant but easy to code :|
if (var->isArray()) {
code += tabStr+tabStr+this->convertDataType(var->getDataType())+" "+var->getName()+"_sin;\n"; //with _in suffix
}
}
var = method->getReturnVariable();
code+= tabStr+tabStr+this->generateDatatype(var)+" "+var->getName()+";\n";//vector<int> var;
if (var->isArray()) {
code += tabStr+tabStr+this->convertDataType(var->getDataType())+" "+var->getName()+"_sin;\n"; //with _in suffix
}
code += "\n";
code+= tabStr+tabStr+"std::cin>>testCase; std::cin.ignore(10, '\\n');\n" +
tabStr+tabStr+"for (int i=0; i<testCase; i++) {\n" +
tabStr+tabStr+tabStr+"std::cin>>caseNo; std::cin.ignore(10, '\\n');\n";
//code to read all parameters
for (int i=0; i<method->getNumberOfParameters(); i++) {
code += this->generateSingleCaseReader(method->getParameterAt(i), tabStr+tabStr);
}
//code to read expected result
code += this->generateSingleCaseReader(method->getReturnVariable(), tabStr+tabStr);
//code to run class.Method(parameters...)
code += tabStr+tabStr+tabStr+"clock_t start_ = clock();\n";
code += tabStr+tabStr+tabStr+this->generateDatatype(method->getReturnVariable())+" received_ = " +
problem.getClassName()+"()."+method->getName()+"(";
for (int i=0; i<method->getNumberOfParameters(); i++) {
if (i) {
code += ", ";
}
code += method->getParameterAt(i)->getName();
}
code += ");\n";
code += tabStr+tabStr+tabStr+"correct += verify_case(caseNo, " + method->getReturnVariable()->getName() + ", received_, clock()-start_);\n";
code+=tabStr+tabStr+"}//end of testCase for loop\n\n";
code += tabStr+tabStr +"if (testCase == 0) {\n" +
tabStr+tabStr+tabStr+"cerr << \"No test cases run.\" << endl;\n" +
tabStr+tabStr+"} else if (correct < testCase) {\n"+
tabStr+tabStr+tabStr+"cerr << \"Some cases FAILED (passed \" << correct << \" of \" << testCase << \").\" << endl;\n"+
tabStr+tabStr+"} else {\n"+
tabStr+tabStr+tabStr+"cerr << \"All \" << testCase << \" tests passed!\" << endl;\n"+
tabStr+tabStr+tabStr+"std::ofstream ofs(\""+problem.getClassName()+".st\", std::ios_base::app);\n"+
tabStr+tabStr+tabStr+"ofs<<currentDateTime()<<std::endl;\n"+
tabStr+tabStr+tabStr+"ofs.close();\n"+
tabStr+tabStr+"}\n"+
tabStr+tabStr+"return true;\n"+
tabStr+"}\n\n";
return code;
}