Laguna of Cakel

#include <iostream>
#include <cstring>

using namespace std;

int main(void)
{
 int i, iCurriculum, iScr;
 float fTotal, fScrTotal;
 char sGrade[2] = {0};
 i = 1;
 fTotal = fScrTotal = iCurriculum = 0.0;

 cout << "수강과목 수 : ";
 cin >> iCurriculum;

 while(i<= iCurriculum)
 {
  cout << i << "번째 과목 학점과 등급 : ";
  cin >> iScr >> sGrade;

  if(!strcmp(sGrade,"A+"))
   fTotal += 4.5 * iScr;

  if(!strcmp(sGrade,"A"))
   fTotal += 4.0 * iScr;

  if(!strcmp(sGrade,"B+"))
   fTotal += 3.5 * iScr;

  if(!strcmp(sGrade,"B"))
   fTotal += 3.0 * iScr;

  if(!strcmp(sGrade,"C+"))
   fTotal += 2.5 * iScr;

  if(!strcmp(sGrade,"C"))
   fTotal += 2.0 * iScr;

  if(!strcmp(sGrade,"D+"))
   fTotal += 1.5 * iScr;

  if(!strcmp(sGrade,"D"))
   fTotal += 1.0 * iScr;

  fScrTotal += iScr;
  i++;

 }

 cout << "이번학기 학점 : " << fTotal / fScrTotal << endl;

 return 0;
}

#include <iostream>
#include <cstring>
#include <vector>

using namespace std;

int main(void)
{
 vector<double> stlVector;
 int i = 0;
 char *sName, *sId;
 char sIn[255] = {0};
 double dIn, dTotal;
 dIn = dTotal = 0.0;
 sName = sId = NULL;

 cout << "학번 : ";
 cin.getline(sIn,255);
 sId = new char[strlen(sIn) + 1];
 strcpy(sId, sIn);

 cout << "이름 : ";
 cin.getline(sIn,255);
 sName = new char[strlen(sIn) + 1];
 strcpy(sName, sIn);

 cout << "네 과목의 성적 : ";
 for(i = 0; i <= 3; i++)
 {
  cin >> dIn;
  stlVector.push_back(dIn);
  dTotal += stlVector[i];

 }
 
 cout << sId << ' ' << sName << " 의 평균 점수는 " << dTotal / i << " 입니다." << endl;
 delete sName, sId;

 return 0;
}