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

int n=5;

int a[5][5];

int b[5][5];


pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;

void *work(void *context) {

    int number=(long)context;
    printf("\nnumber is= %d\n",number);
    for (int i=0;i<n;i++)
        a[number][i]=a[number][i]+b[number][i];
    printf("\n");
    pthread_mutex_unlock(&mutex);
    pthread_exit(NULL);
}

int main(int argc, char *argv[]) {

    for (int i=0;i<n;i++)
        for (int j=0;j<n;j++){
            a[i][j]=rand()%11;
        }
    for (int i=0;i<n;i++) {
        for (int j = 0; j < n; j++) {
            printf("%d ", a[i][j]);
        }
        printf("\n");
    }
    printf("\n");
    for (int i=0;i<n;i++)
        for (int j=0;j<n;j++){
            b[i][j]=rand()%10;
        }
    for (int i=0;i<n;i++) {
        for (int j = 0; j < n; j++) {
            printf("%d ", b[i][j]);
        }
        printf("\n");
    }
    printf("\n");
    pthread_t th[n];
    for (size_t i = 0; i <= n; i++) {
        pthread_mutex_lock(&mutex);
        pthread_create(&th[i], NULL, work, (void*) i);

    }
    for (int i = 1; i < argc; i++) {
        pthread_join(th[i], NULL);

    }
    for (int i=0;i<n;i++) {
        for (int j = 0; j < n; j++) {
            printf("%d ", a[i][j]);
        }
        printf("\n");
    }
    return 0;
}