Fonctions

//
//  main.c
//  Fonctions
//
//  Created by Abdelaali on 01/04/2016.
//  Copyright © 2016 Abdelaali. All rights reserved.
//

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

typedef struct point {
    int x,y;
}point;

//fct bonjour
void Bonjour();
//fct bonjour n fois
void BonjourN(int);

//fct calculatrice
void Calculatrice(char ,int ,int);

//fct point translation
point pointTranslation(point);

//fct factorielle
int factorielle(int);

//fct sommeTab
int sommeTab(int tab[],int taille);

//fct exposant 1
int exposant(int,int);
//fct exposant 2
void exposant2(int*,int);

//fct triangle
void triangle(int);


int main(int argc, const char * argv[]) {
    int x = 2;
    Bonjour();
    BonjourN(5);
    Calculatrice('/', 1, 0);
    printf("%d! = %d\n",6,factorielle(6));
    printf("exp1[%d] = %d\n",x,exposant(x, x));
    exposant2(&x, x);
    printf("exp2[%d] =%d\n",2,x);
    triangle(5);

    return 0;
}
void Bonjour(){
    printf("Bonjour\n");
}
void BonjourN(int n){
    int i =0;
    while(i<n){
        Bonjour();
        i++;
    }
}
void Calculatrice(char op,int op1,int op2){
    switch (op) {
        case '+':
            printf("%d + %d = %d",op1,op2,op1 + op2);
            break;
        case '-':
            printf("%d - %d = %d",op1,op2,op1 - op2);
            break;
        case '*':
            printf("%d * %d = %d",op1,op2,op1 * op2);
            break;
        case '/':
            if(op2 != 0)
                printf("%d / %d = %f",op1,op2,(float) op1 / op2);
            else
                printf("la division par 0 est impossible.");
            break;
    }
    printf("\n");
}
point pointTranslation(point X){
    X.x += 2;
    X.y += 3;
    return X;
}
int factorielle(int n){
    if(n == 0 || n == 1)
        return 1;
    return n * factorielle(n-1);
}
int sommeTab(int t[],int T){
    int i,s = 0;
    for(i=0;i<T;i++)
        s += t[i];
    return s;
}
int exposant(int x,int n){
    int i,s;
    s = x;
    for(i=0;i<n-1;i++)
        s *= s;
    return s;
}
void exposant2(int* x,int n){
    int i = 0;

    for (i=0; i<n-1; i++) {
        (*x) *= (*x);
    }
}
void triangle(int L){
    int mat[L][L];
    int i,j;

    for(i=0;i<L;i++)
        for (j=0; j<=i; j++) {
            mat[i][j] = factorielle(i) / (factorielle(j) * factorielle(i -  j));
        }
    for(i=0;i<L;i++){
        for (j=0; j<=i; j++) {
            printf("%2d",mat[i][j]);
        }
        printf("\n");
    }

}