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CodeBlocksPortable/WATCOM/samples/clibexam/clock.c

27 lines
482 B
C

#include <stdio.h>
#include <math.h>
#include <time.h>
void compute( void )
{
int i, j;
double x;
x = 0.0;
for( i = 1; i <= 100; i++ )
for( j = 1; j <= 100; j++ )
x += sqrt( (double) i * j );
printf( "%16.7f\n", x );
}
void main()
{
clock_t start_time, end_time;
start_time = clock();
compute();
end_time = clock();
printf( "Execution time was %lu seconds\n",
(end_time - start_time) / CLOCKS_PER_SEC );
}