A_141128_MatricesSuma, C (gcc)

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//Title of this code

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

#define _F 4
#define _C 5

int main(void)
{
    long m1[_F][_C];
    long m2[_F][_C];
    long s[_F][_C];
    
    
    
    short f, c;
    
    for(srand(time(NULL)) , f = 0 ; f < _F ; f++)
    {
        for(c = 0 ; c < _C ; c++)
        {
            m1[f][c] = rand() % 10;
        }
    }

for(f = 0 ; f < _F ; f++)
    {
        for(c = 0 ; c < _C ; c++)
        {
            m2[f][c] = rand() % 10;
        }
    }    
    for(f = 0 ; f < _F ; f++)
    {
        for(c = 0 ; c < _C ; c++)
        {
            s[f][c] = m1[f][c] + m2[f][c];
        }
    }
    
    for(f = 0 ; f < _F ; f++)
    {
        for(c = 0 ; c < _C ; c++)
        {
            printf("%3ld", m1[f][c]);
        }
        printf("    ");
        for(c = 0 ; c < _C ; c++)
        {
            printf("%3ld", m2[f][c]);
        }
        printf("    ");
        for(c = 0 ; c < _C ; c++)
        {
            printf("%4ld", s[f][c]);
        }
        printf("\n");
    }

return 0;
}

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Compilation time: 0.13 sec, absolute running time: 0.14 sec, cpu time: 0 sec, memory peak: 3 Mb, absolute service time: 0.28 sec