Program Menghitung Nilai IPS

#include <iostream>
#include <iomanip>
#include <chrono>
#include <ctime>

#define jumlahMatkul 5

void makeLine( int len )
{
    for ( int i = 0; i < len; i++ )
        printf( "=" );
    printf("\n");
}

void localTime()
{
    std::time_t time = std::chrono::system_clock::to_time_t( std::chrono::system_clock::now() );
    struct std::tm* ptm = std::localtime( &time );
    std::cout << "\t\t" << std::put_time( ptm, "%c" ) << "\n";
}

int main()
{
    int sks = 0;
    float totalSKS = 0;
    float ips = 0;
    float nilaiMatkul[jumlahMatkul];
    float mutuMatkul[jumlahMatkul];
    float totalMutu = 0;
    std::string nama;
    std::string nim;
    std::string jurusan;

    makeLine(55);
    printf( "\tProgram Menghitung Nilai IPS Mahasiswa\n" );
    localTime();
    makeLine(55);

    printf( "Masukkan Nama\t\t: " ); getline( std::cin, nama );
    printf( "Masukkan NIM\t\t: " ); getline( std::cin, nim );
    printf( "Masukkan Jurusan\t: " ); getline( std::cin, jurusan );

    makeLine(55);

    printf( "WARNING!\n" );
    printf( "SKS hanya boleh angka 2 atau 4\n" );
    printf( "Range nilai matkul hanya boleh angka 0 sampai 4\n" );

    makeLine(55);

    for ( int i = 0; i < jumlahMatkul; i++ )
    {
        printf( "Masukkan jumlah SKS matkul ke-%d\t: ", i+1 );
        scanf("%d", &sks);

        if ( sks != 2 && sks != 4 )
        {
            printf("ERROR: SKS tidak sesuai dengan ketentuan!!\n");
            break;
        }

        printf( "Masukkan nilai matkul ke-%d\t: ", i+1 );
        scanf( "%f", &nilaiMatkul[i] );

        if ( nilaiMatkul[i] < 0 || nilaiMatkul[i] > 4 )
        {
            printf("ERROR: Angka yang anda masukkan tidak valid!!\n");
            break;
        }

        mutuMatkul[i] = sks * nilaiMatkul[i];

        totalMutu += mutuMatkul[i];
        totalSKS += sks;

        printf( "\n" );
    }

    ips = totalMutu / totalSKS;


    std::cout << "Nama\t: " << nama << "\n";
    std::cout << "NIM\t: " << nim << "\n";
    std::cout << "Jurusan\t: " << jurusan << "\n";
    printf( "IPS\t: %.2f\n", ips );
    makeLine(55);
}