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