TP2

/* Exercice 1 */

    /* Question 1*/

#include<stdio.h>
int main() {
    int N;
    printf("Donnez N :\n");
    scanf("%d",&N);
    int T[N], i, min, max, c;
    float moy;
    printf("\nT[0] = ");
    scanf("%d",&T[0]);
    min = T[0];
    max = T[0];
    c = T[0];
    for (i=1; i<N; i++)
        {
        printf("\nT[%d] = ",i);
        scanf("%d",&T[i]);
        if (T[i]<min) min= T[i];
        if (T[i]>max) max= T[i];
        c += T[i];
        }
    printf("max est: %d\n",max);
    printf("min est: %d\n",min);
    moy=c/N;
    printf("moy est: %f\n",moy);
    return 0;
}
    /* Question 2*/

#include<stdio.h>
int main() {
    int N;
    printf("Donnez N :\n");
    scanf("%d",&N);
    int T[N], i, v, j;
    for (i=0; i<N; i++)
        {
        printf("\nT[%d] = ",i);
        scanf("%d",&T[i]);
        }

    for (i=0; i<N; i++)
        {
        v=0;
        for (j=0; j<N; j++)
            {
            if (T[j]==T[i])
                v=v+1 ;
            }
        printf("le nombre d'occurrencs de %d est: %d\n",T[i],v);
        }
    return 0;
}

    /* Question 3*/

#include<stdio.h>
int main() {
    int N;
    printf("Donnez N :\n");
    scanf("%d",&N);
    int T[N], V[N], i;
    for (i=0; i<N; i++)
        {
        printf("\nT[%d] = ",i);
        scanf("%d",&T[i]);
        }
    for (i=0; i<N; i++)
        {
        V[i]=T[N-i-1];
        printf("%d ",V[i]);
        }
    printf("\n");
    return 0;
}

    /* Question 4*/

#include<stdio.h>
int main() {
    int N;
    printf("Donnez N :\n");
    scanf("%d",&N);
    int T[N], i, j, min, c;
    for (i=0; i<N; i++)
        {
        printf("\nT[%d] = ",i);
        scanf("%d",&T[i]);
        }

    for (i=0; i<N; i++)
        {
        min=i;
        for (j=i; j<N; j++)
            {
            if (T[min]>T[j]) min=j;
            }
        c=T[i];
        T[i]=T[min];
        T[min]=c;
        }
    for (i=0; i<N; i++)
        {
        printf("%d ",T[i]);
        }
    printf("\n");
    return 0;
}

/* Exercice 2 */

    /* Question 1*/

#include<stdio.h>
int main() {
    int N;
    printf("Donnez N :\n");
    scanf("%d",&N);
    int T[N], i, flag=0;
    for (i=0; i<N; i++)
    {
        printf("\nT[%d] = ",i);
        scanf("%d",&T[i]);

    }
    for (i=0; i<N-1; i++) {
        if (T[i]>T[i+1]) {
            printf("Tableau non trié");
            flag=1;
            break;
        }
    }
    if (flag==0) printf("Tableau trié");
    return 0;
}

    /* Question 2*/

#include<stdio.h>
int main() {
    int N;
    printf("Donnez N :\n");
    scanf("%d", &N);
    int T[N], i, j, flag = 0;
    for (i = 0; i < N; i++) {
        printf("\nT[%d] = ", i);
        scanf("%d", &T[i]);

    }
    for (i = 0; i < N; i++) {
        if (T[i] == 1) {
            flag = 1;
            printf("Tableau non premier");
            break;
        } else
            for (j = 2; j <= T[i] / 2; j++)
                if (T[i] % j == 0) {
                    flag = 1;
                    printf("Tableau non premier");
                    break;
                }
    }
    if (flag==0) printf("Tableau premier");
    return 0;
}

/* Exercice 3 */

#include<stdio.h>
int main() {
    int N;
    printf("Donnez N :\n");
    scanf("%d",&N);
    int T[N], SD[N], i, j, c;

    for (i=0; i<N; i++)
        {
        printf("\nT[%d] = ",i);
        scanf("%d",&T[i]);
        }
    for (i=0; i<N; i++)
        {
        c=0;
        for (j=1; j<=T[i]/2; j++)
            if (T[i]%j==0) c+=j;
        SD[i]=c;
        }
    for (i=0; i<N; i++)
        {

        for (j=0; j<N; j++)
            {
            if (SD[i]==T[j] && T[i]==SD[j]) printf("%d %d\n", T[i], T[j]);
            }
        }
    printf("\n");
    return 0;
}

/* Exercice 4 */

#include<stdio.h>
#include<string.h>
int main(){
    int N1,N2;
    printf("entrer N1 :");
    scanf("%d",&N1);
    printf("entrer N2 :");
    scanf("%d",&N2);
    char S1[N1+1],S2[N2+1],S3[N1+1];
    printf("enter la chaine S1 :");
    scanf("%s",S1);
    printf("enter la chaine S2 :");
    scanf("%s",S2);

    if (strcmp(S1,S2)==0) printf("\nidentique");
    else printf("\nnon identique");

    if (strstr(S1,S2)!=NULL) printf("\nS2 exite dans S1");
    else
        printf("\nnon existance");

    strcpy(S3,S1);
    printf("\n%s",S3);

    strcat(S1,S2);
    printf("\n%s",S1);


    return 0;
}

/* Exercice 5 */

#include<stdio.h>
int main()
{
    int N;
    printf("Donner la dimension du tableau");
    scanf("%d",&N);
    int x ,T[N],O[N],j=0,e=0,p,k,i,l;
    printf("Donnez x svp");
    scanf("%d",&x);
    printf("\n Entrez les elements du T:\n");
    for (i=0;i<N;i++)
    {
        printf("\nT[%d]=",i);
        scanf("%d",&T[i]);
        if (T[i]==x)
        {
            O[j]=i;
            j++;
            e=1;
        }
    }
    if (e=0)
        printf("\n%d n'apparait pas dans T" ,x);
    else
    {
        printf("\n%d apparait dans les positions suivantes :",x);
        for(i=0;i<j ;i++)
            printf("\n%d",O[i]);
    }
    p=N;
    for(i=0; i<N ; i++)
    {
        for(k=0;k<j+1;k++)
        {
            if (i==O[k])
            {
                for(l=i ;l<p ;l++)
                    T[l]=T[l+1];
                p--;
                for(l=k; l<j ;l++)
                    O[l]--;
            }
        }
    }
    printf("\n Le tableau après la suppression de %d : \n", x);
    for(i=0; i<p; i++)
        printf("\nT[%d] = %d\n", i, T[i]);
    return 0;
}

/* Exercice 6 */

#include<stdio.h>
int main()
{
    int N1,N2;
    printf("Donnez N1 et N2: ");
    scanf("%d%d",&N1,&N2);
    float T1[N1],T2[N2],T3[N1+N2];
    int i=0,j=0,k=0,p;
    printf("Donnez les élèments de T1 svp");
    for (p=0;p<N1;p++)
    {
        printf("\nT1[%d]=",p);
        scanf("%f",&T1[p]);
    }
    printf("\nDonnez les élèments de T2 svp");
    for (p=0;p<N2;p++)
    {
        printf("\nT2[%d]=",p);
        scanf("%f",&T2[p]);
    }
    while ((i<N1) && (j<N2))
        if(T1[i]<T2[j])
            {
                T3[k]=T1[i];
                k++;
                i++;
            }
        else
            {
                T3[k]=T2[j];
                k++;
                j++;
            }
    while (i<N1)
        {
            T3[k]=T1[i];
            k++;
            i++;
        }
    while (j<N2)
        {
            T3[k]=T2[j];
            k++;
            j++;
        }
    printf("\n T3 après la fusion:");
    for (p=0;p<N1+N2;p++)
        printf("\nT3[%d]=%f\n",p,T3[p]);
    return 0;
}

/* Exercice 7 */

#include<stdio.h>
int main()
{
    int N;
    printf("donnez la dimension du tableau: ");
    scanf("%d",&N);
    int T[N],i  ,j, k, p;
    printf("donnez les elements de T");
    for (i=0;i<N;i++)
    {
        printf("\nT[%d]=",i);
        scanf("%d",&T[i]);
    }
    p=N;
    for(i=0;i<p-1;i++)
    {
        for(j=p-1;j>i;j--)
        {
            if (T[j]==T[i])
            {
                for(k=j; k<p-1;k++)
                {
                    T[k]=T[k+1];
                }
                p--;
            }
        }
    }
    printf("\nle nouveau tableau:");
    for(i=0;i<p; i++)
    {
        printf("\nT[%d]=%d\n" ,i, T[i]);
    }
    return 0;
}