CPA Chapter 2 Assessment Online

What is the output of the following snippet?

    int i = 0, j = i++, k = –i;
    if(i > 0)
        j++;
    else
        k++;
    if(k == 0)
        i++;
    else if(k > 0)
        k–;
    else
        k++;
    cout << i * j * k;

What is the output of the following snippet?

    int i = 1, j = i++, k = –i;
    if(i > 0) {
        j++;
        k++;
    }
    else {
        k++;
        i++;
    }
    if(k == 0) {
        i++;
        j++;
    }
    else {
        if(k > 0)
            k–;
        else
            k++;
        i++;
    }
    cout << i * j * k;

What is the output of the following snippet?

double big = 1e15;
double small = 1e-15;

cout << fixed << big + small;

What is the output of the following snippet?

    bool yes = !false;
    bool no = !yes;
    if(!no)
            cout << “true”;
    else
            cout << “false” ;

What is the output of the following snippet?

    #include <iostream>
    using namespace std;
    int main() {
            int i = 5, j = 0;
            while(i > 0) {
                i–;
                j++;
            }
            cout << j;
            return 0;
    }

What is the output of the following snippet?

    #include <iostream>
    using namespace std;
    int main() {
            int i = 3, j = 0;
            do {
                i–;
                j++;
            } while(i >= 0);
            cout << j;
            return 0;
    }

What is the output of the following snippet?

    #include <iostream>
    using namespace std;
    int main() {
            float val = 100.0;
            do {
                val = val / 5;
                cout << “*”;
            } while(val > 1.0);
            return 0;
    }

What is the output of the following snippet?

    #include <iostream>
    using namespace std;
    int main() {
            for(float val = -10.0; val < 100.0; val = -val * 2)
                cout << “*”;
            return 0;
    }

What is the output of the following snippet?

    #include <iostream>
    using namespace std;
    int main() {
            for(float val = -10.0; val < 100.0; val = -val * 2) {
                if(val < 0 && -val >= 40)
                    break;
                cout << “*”;
            }
            return 0;
    }

What is the output of the following snippet?

    #include <iostream>
    using namespace std;
    int main() {
            int a = 1, b = 2;
            int c = a | b;
            int d = c & a;
            int e = d ^ 0;
            cout << e << d << c;
            return 0;
    }

What is the output of the following snippet?

    #include <iostream>
    using namespace std;
    int main() {
            int a = 2;
            switch(a << a) {
            case 8 : a++;
            case 4 : a++;
            case 2 : break;
            case 1 : a–;
            }
            cout << a;
            return 0;
    }

What is the output of the following snippet?

    #include <iostream>
    using namespace std;
    int main() {
            int t[] = { 8, 4, 3, 2, 1 }, i;
            for(i = t[4]; i < t[0]; i++)
                t[i – 1] = -t[3];
            cout << i;
            return 0;
    }

What is the output of the following snippet?

    #include <iostream>
    using namespace std;
    int main() {
            bool t[5];
            for(int i = 0; i < 5; i++)
                t[4 – i] = !(i % 2);
            cout << t[0] && t[2];
            return 0;
    }

What is the output of the following snippet?

    #include <iostream>
    using namespace std;
    int main() {
            int a[] = {4, 0, 3, 1, 2};
            int b[] = {1, 2, 3, 4, 5};
            
            for(int i = 0; i < 5; i++)
                b[a[i]] = b[4 – i];
            cout << b[0] << b[4];
            return 0;
    }

What is the output of the following snippet?

    #include <iostream>
    using namespace std;
    int main() {
            int g[3][3] = {{2, 4, 8}, {3, 6, 9}, {5, 10, 15}};
            for(int i = 2; i >= 0; i–)
                for(int j = 0; j < 3; j++)
                    g[i][j] += g[j][i];
            cout << g[1][1];
            return 0;
    }

What is the output of the following snippet?

    #include <iostream>
    using namespace std;
    
    struct str {
        int t[3];
        char s[3];
    };
    
    int main() {
            str a = { 1, 2, 3, ‘a’, ‘b’, ‘c’ };
            str b = { 5, 6, 7, ‘x’, ‘y’, ‘z’ };
            cout << char(b.s[0] + a.t[0]) << int(a.s[2] – a.s[0]) << int(b.s[2] – b.s[1]);
            return 0;
    }

What is the output of the following snippet?

    #include <iostream>
    using namespace std;
    
    struct str {
        int t[3];
        char s[3];
    };
    
    int main() {
            str z[3];
            for(int i = 0; i < 3; i++)
                for(int j = 0; j < 3; j++) {
                    z[i].s[j] = ‘0’ + i + j;
                    z[j].t[i] = i + j;
                }
            cout << z[0].s[1] << z[1].t[2] << z[2].s[0];
            return 0;
    }

What is the output of the following snippet?

    #include <iostream>
    using namespace std;
    
    struct sct {
        int t[2];
    };
    
    struct str {
        sct t[2];
    };
    
    int main() {
            str t[2] = { {0, 2, 4, 6}, {1, 3, 5, 7} };
            cout << t[1].t[0].t[1] << t[0].t[1].t[0];
            return 0;
    }

What is the output of the following snippet?

    #include <iostream>
    using namespace std;
    
    int main() {
            char arr[5] = { ‘a’, ‘b’, ‘c’, ‘d’, ‘e’ };
            for(int i = 1; i < 5; i++) {
                cout << “*”;
                if((arr[i] – arr[i – 1]) % 2)
                    continue;
                cout << “*”;
            }
            return 0;
    }