摘要:
#include #include void randomlize(int *a, int n){ int i = 0,j = 0, k = 0; for(i = 0; i < n; i++) { j = rand()%(n-i)+i; k = a[i]; a[i] = a[j]; a[j] = k; } }int main(void){ int i; int a[]={1,2,3,4,5,6,7,8,9}; randomlize(a,9); for(i = 0; i < 9; i++) { printf("%d ",a[i]); } return ... 阅读全文
posted @ 2013-07-13 08:52
emanlee
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摘要:
#include#include #include "time.h" int main( void ) { long i = 1000000000L; clock_t start_time, end_time; double duration_time; start_time=clock(); while( i-- ) ; end_time = clock(); duration_time = (double)(end_time-start_time) / CLOCKS_PER_SEC; printf( "duration: %lf seconds\n" 阅读全文
posted @ 2013-07-13 08:26
emanlee
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