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

#define N 5

struct Matrix{
    int mat[N][N];
    int red;
    int sum;
};

void createMatrix(struct Matrix *data){
    int i=0;
    int j=0;
    for(i=0;i<N;i++){
        for(j=0;j<N;j++){
            data->mat[i][j]=i+j;
            printf("%d ", data->mat[i][j]);
        }
        printf(" \n");
    }
}

void *sumRed(void *data){
    int i = 0;
    struct Matrix *ndata = data;
    int sumaPrev = ndata->sum;
    for(i = 0; i<N;i++){
        ndata->sum+=ndata->mat[ndata->red][i];
    }
    int newsum = ndata->sum;
    printf("\n Suma %d red: %d \n",ndata->red, newsum-sumaPrev);

}


int main() {
    pthread_t threads[N];
    int rc;
    int i=0;
    struct Matrix data;
    createMatrix(&data);
    data.sum = 0;

    for(i=0;i<N;i++){
        data.red = i;
        rc = pthread_create(&threads[i], NULL, sumRed, (void*)&data);
        pthread_join(threads[i], NULL);
        if (rc){
            printf("ERROR; return code from pthread_create() is %d\n", rc);
            exit(-1);
        }
    }

    printf("\nUkupna suma: %d \n", data.sum);
    pthread_exit(NULL);
    return 0;
}