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//随机产生100000000个取值范围为[0~2的32次方减1]的数据,
//然后让用户输入一个数据,判断用户输入的数据是不是包含在前面随机产生的数据中。
//要求:当用户输入完成后,必须在1毫秒(千分之一秒)之内完成判断。
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <malloc.h>
long int i;
unsigned long ul;
unsigned long *d;
unsigned long ulrand(void) {
return (
(((unsigned long)rand()<<24)&0xFF000000ul)
|(((unsigned long)rand()<<12)&0x00FFF000ul)
|(((unsigned long)rand() )&0x00000FFFul));
}
void main() {
d=(unsigned long *)calloc(1<<(32-5),sizeof(unsigned long));
if (NULL==d) {
printf("Can not calloc(%d,%d)!\n",1<<(32-5),sizeof(unsigned long));
return;
}
srand(time(NULL));
for (i=0;i<100000000;i++) {
while (1) {
ul=ulrand();
if (0==(d[ul>>5]&(1lu<<(ul%32)))) {
d[ul>>5]|=1<<(ul%32);
break;
}
}
if (0==i%1000000) printf("%09d,%10lu\n",i,ul);
}
while (1) {
printf("\nInput a number:");
fflush(stdout);
rewind(stdin);
if (1==scanf("%lu",&ul)) break;
}
if (d[ul>>5]&(1<<(ul%32))) printf("Include.\n" );
else printf("Not include.\n");
free(d);
}
//000000000,2135468533
//001000000,2465805973
//002000000,3844079964
//003000000,1883232874
//004000000,1204697784
//005000000,4050838287
//006000000,3802081245
//007000000,1586042671
//008000000,3119931368
//009000000, 251096899
//010000000,3491239701
//011000000,3365323844
//012000000,2191846708
//013000000,1879478195
//014000000,1112631457
//015000000,1927301519
//016000000,1717332861
//017000000,2922278240
//018000000, 694854106
//019000000, 273255526
//020000000, 398518467
//021000000,3270756812
//022000000,1500289424
//023000000,1502241936
//024000000,1770380660
//025000000,3668842116
//026000000,3255869879
//027000000,1299184024
//028000000,1072990028
//029000000, 242094712
//030000000,3789344297
//031000000,2599365925
//032000000, 962754138
//033000000,2055075654
//034000000,4083452879
//035000000, 489250842
//036000000, 611455230
//037000000, 277350616
//038000000,1597410795
//039000000,3224173662
//040000000,2291446877
//041000000,2546280575
//042000000,2509145642
//043000000,2371773252
//044000000, 635555963
//045000000,2674538666
//046000000,4253690312
//047000000,2675755514
//048000000,1269320296
//049000000,3172516920
//050000000,1430265210
//051000000, 196156173
//052000000,2470825669
//053000000,2536750977
//054000000,1182829949
//055000000,3202826434
//056000000,2263336265
//057000000, 313302924
//058000000,3630264578
//059000000,1154892716
//060000000,2985304230
//061000000,1252204837
//062000000,1292076720
//063000000, 242249250
//064000000,3999999961
//065000000, 431166416
//066000000,1366947236
//067000000,1414387330
//068000000,2143784481
//069000000,3242175409
//070000000,4158065163
//071000000,1425449573
//072000000,2493600232
//073000000,1316783455
//074000000,3723170478
//075000000,3064111466
//076000000, 408557403
//077000000,3722586955
//078000000,3801652651
//079000000,3788160154
//080000000,3329440047
//081000000,1408976868
//082000000, 471838899
//083000000,2145198260
//084000000,3781081738
//085000000,3439027738
//086000000,1150808750
//087000000,2782578638
//088000000, 85604584
//089000000,2704078162
//090000000, 584840269
//091000000,3854577719
//092000000,2823653537
//093000000, 797877025
//094000000,2248017755
//095000000,1787038685
//096000000,2816548567
//097000000, 489107494
//098000000, 911680090
//099000000,3677777147
//
//Input a number:3677777147
//Include.
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
unsigned long ulrand(void) {
return (
(((unsigned long)rand()<<24)&0xFF000000ul)
|(((unsigned long)rand()<<12)&0x00FFF000ul)
|(((unsigned long)rand() )&0x00000FFFul));
}
int i;
unsigned long ul;
void main() {
srand(time(NULL));
for (i=0;i<10;i++) {
ul=ulrand();
printf("%010lu 0x%08x\n",ul,ul);
}
}
//2337588057 0x8b54c359
//1977377429 0x75dc6295
//3607316769 0xd7034921
//0009828482 0x0095f882
//3350859779 0xc7ba1003
//0945794621 0x385fae3d
//3400869024 0xcab524a0
//3097846779 0xb8a563fb
//4287421124 0xff8cdac4
//3934016258 0xea7c5302
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int d[6];
int i,n,a,b,t;
int c,j;
void main() {
srand(time(NULL));
printf("shuffle 0..n-1 demo\n");
for (n=1;n<=5;n++) {/* 测试1~5个元素 */
printf("_____n=%d_____\n",n);
j=1;
for (c=1;c<=n;c++) j=j*c;/* j为n! */
j*=n*2;
for (c=1;c<=j;c++) {/* 测试n*2*n!次 */
for (i=0;i<n;i++) d[i]=i;/* 填写0~n-1 */
for (i=n;i>0;i--) {/* 打乱0~n-1 */
a=i-1;b=rand()%i;
if (a!=b) {t=d[a];d[a]=d[b];d[b]=t;}
}
printf("%04d:",c);
for (i=0;i<n;i++) printf("%d",d[i]);
printf("\n");
}
}
printf("shuffle 1..n demo\n");
for (n=1;n<=5;n++) {/* 测试1~5个元素 */
printf("_____n=%d_____\n",n);
j=1;
for (c=1;c<=n;c++) j=j*c;/* j为n! */
j*=n*2;
for (c=1;c<=j;c++) {/* 测试n*2*n!次 */
for (i=1;i<=n;i++) d[i]=i;/* 填写1~n */
for (i=n;i>1;i--) {/* 打乱1~n */
a=i;b=rand()%i+1;
if (a!=b) {t=d[a];d[a]=d[b];d[b]=t;}
}
printf("%04d:",c);
for (i=1;i<=n;i++) printf("%d",d[i]);
printf("\n");
}
}
}
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int d[6];
int i,n,a,b,t;
int c,j;
void main() {
srand(time(NULL));
printf("shuffle 0..n-1 demo\n");
for (n=1;n<=5;n++) {/* 测试1~5个元素 */
printf("_____n=%d_____\n",n);
j=1;
for (c=1;c<=n;c++) j=j*c;/* j为n! */
j*=n*2;
for (c=1;c<=j;c++) {/* 测试n*2*n!次 */
for (i=0;i<n;i++) d[i]=i;/* 填写0~n-1 */
for (i=n;i>0;i--) {/* 打乱0~n-1 */
a=i-1;b=rand()%i;
if (a!=b) {t=d[a];d[a]=d[b];d[b]=t;}
}
printf("%04d:",c);
for (i=0;i<n;i++) printf("%d",d[i]);
printf("\n");
}
}
printf("shuffle 1..n demo\n");
for (n=1;n<=5;n++) {/* 测试1~5个元素 */
printf("_____n=%d_____\n",n);
j=1;
for (c=1;c<=n;c++) j=j*c;/* j为n! */
j*=n*2;
for (c=1;c<=j;c++) {/* 测试n*2*n!次 */
for (i=1;i<=n;i++) d[i]=i;/* 填写1~n */
for (i=n;i>1;i--) {/* 打乱1~n */
a=i;b=rand()%i+1;
if (a!=b) {t=d[a];d[a]=d[b];d[b]=t;}
}
printf("%04d:",c);
for (i=1;i<=n;i++) printf("%d",d[i]);
printf("\n");
}
}
}
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
unsigned long ulrand(void) {
return (
(((unsigned long)rand()<<24)&0xFF000000ul)
|(((unsigned long)rand()<<12)&0x00FFF000ul)
|(((unsigned long)rand() )&0x00000FFFul));
}
unsigned __int64 ullrand(void) {
return (
(((unsigned __int64)ulrand())<<32)
| ((unsigned __int64)ulrand()));
}
int i;
unsigned long ul;
unsigned __int64 ull;
void main() {
srand(time(NULL));
for (i=0;i<10;i++) {
ul=ulrand();
printf("%010lu 0x%08x\n",ul,ul);
}
for (i=0;i<10;i++) {
ull=ullrand();
printf("%020I64u 0x%016I64x\n",ull,ull);
}
}
//3971076432 0xecb1d150
//2433428051 0x910b2a53
//1415415336 0x545d8628
//1312330759 0x4e389407
//1845758378 0x6e0409aa
//0008069933 0x007b232d
//4202720757 0xfa806df5
//2669855255 0x9f22c217
//0312068736 0x1299ca80
//2084555989 0x7c3fccd5
//03502077880857307931 0x3099e1472040ab1b
//16884702393146816355 0xea52835e19b43763
//01877364819396611730 0x1a0dbd5b45f34e92
//07839440151924835771 0x6ccb4948756a05bb
//09471412086917299176 0x8371371c820bfbe8
//04411255971577469925 0x3d37edef2f321be5
//13735846279546091130 0xbe9f876a65b7367a
//04512980766520059820 0x3ea15418aa9927ac
//15821377118299441610 0xdb90d2a9f1bb49ca
//15512417228822200185 0xd7472d480398bf79