[URI Online Judge] – 1040 – Average 3

Read four numbers (N1, N2, N3, N4), which one with 1 digit after the decimal point, corresponding to 4 scores obtained by a student. Calculate the average with weights 2, 3, 4 e 1 respectively, for these 4 scores and print the message “Media: ” (Average), followed by the calculated result. If the average was 7.0 or more, print the message “Aluno aprovado.” (Approved Student). If the average was less than 5.0, print the message: “Aluno reprovado.” (Reproved Student). If the average was between 5.0 and 6.9, including these, the program must print the message “Aluno em exame.” (In exam student).

In case of exam, read one more score. Print the message “Nota do exame: “ (Exam score) followed by the typed score. Recalculate the average (sum the exam score with the previos calculated average and divide by 2) and print the message “Aluno aprovado.” (Approved student) in case of average 5.0 or more) or“Aluno reprovado.” (Reproved student) in case of average 4.9 or less. For these 2 cases (approved or reproved after the exam) print the message “Media final: “ (Final average) follow by the final average for this student in the last line.

Input

The input contains four floating point numbers that represent the students’ grades.

Output

Print all the answers with one digit after the decimal point.

Sample Input Sample Output
2.0 4.0 7.5 8.0
6.4
Media: 5.4
Aluno em exame.
Nota do exame: 6.4
Aluno aprovado.
Media final: 5.9
2.0 6.5 4.0 9.0 Media: 4.8
Aluno reprovado.
9.0 4.0 8.5 9.0 Media: 7.3
Aluno aprovado.

Solution:

#include <cstdio>
int main(){
 float a, b, c, d, e, m;
 scanf("%f %f %f %f", &a, &b, &c, &d);
 m = (a * 2 + b * 3 + c * 4 + d) / 10;
 printf("Media: %.1f\n", m);
 if (m >= 7.0)
 printf("Aluno aprovado.\n");
 else if (m >= 5.0){
 printf("Aluno em exame.\n");
 scanf("%f", &e);
 printf("Nota do exame: %.1f\n", e);
 if (e + m / 2.0 > 5.0)
 printf("Aluno aprovado.\n");
 else
 printf("Aluno reprovado.\n");
 printf("Media final: %.1f\n", (e + m) / 2.0);
 } else
 printf("Aluno reprovado.\n");
 return 0;
}
Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s