用C语言编程：一个随机产生一个加法题，如果用户的答案正确 ，显示 5分，错误显示0分。 . 随机产生一个加法题，如果用户的答案正确，显示5分，错误显...
VB\u7f16\u7a0b\u9898\uff1a\u7f16\u5199\u4e00\u4e2a\u4ea7\u751f1 \u81f3100\u4e4b\u95f4\u7684\u968f\u673a\u6574\u6570\u7684Function \u8fc7\u7a0bRnd\u51fd\u6570\u4ea7\u751f\u7684\u662f0\u548c1\u4e4b\u95f4\u7684\u968f\u673a\u6570\uff0c\u8303\u56f4\u662f[0,1)\uff0c\u5305\u62ec0\uff0c\u4f46\u4e0d\u5305\u62ec1\u3002
\u56e0\u6b64\u8981\u4ea7\u751f1~100\u4e4b\u95f4\u7684\u968f\u673a\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528Rnd*98\uff0c\u4ea7\u751f\u7684\u662f[0,98)\u7684\u968f\u673a\u6570\uff0c\u800cint(Rnd*98)\u4ea7\u751f\u7684\u662f[0,97]\u4e4b\u95f4\u7684\u968f\u673a\u6574\u6570\uff0c\u90a3\u4e48int(Rnd*98)+2\u4ea7\u751f\u7684\u5c31\u662f[2,99]\u4e4b\u95f4\u7684\u968f\u673a\u6574\u6570\u4e86\uff0c\u7b26\u5408\u76ee\u68071\u5230100\u4e4b\u95f4\u7684\u968f\u673a\u6570\u76ee\u7684\u3002
\u51fd\u6570\u4ee3\u7801\u5982\u4e0b\uff1a
Public Function sj() As Integer
Randomize
sj = Int(Rnd * 98) + 2
End Function
\u6269\u5c55\u8d44\u6599\uff1a
\u8bed\u6cd5\uff1a
Rnd[(number)]
\u5982\u679c number \u7684\u503c\u662f Randomize \u751f\u6210
\u5c0f\u4e8e 0 \uff0c\u6bcf\u6b21\u90fd\u4f7f\u7528 number \u4f5c\u4e3a\u968f\u673a\u6570\u79cd\u5b50\u5f97\u5230\u7684\u76f8\u540c\u7ed3\u679c\u3002
\u5927\u4e8e 0 \uff0c\u4ee5\u4e0a\u4e00\u4e2a\u968f\u673a\u6570\u4e3a\u79cd\u5b50\u4ea7\u751f\u4e0b\u4e00\u4e2a\u968f\u673a\u6570\u3002
\u7b49\u4e8e 0 \uff0c\u4ea7\u751f\u4e0e\u6700\u8fd1\u751f\u6210\u7684\u968f\u673a\u6570\u76f8\u540c\u7684\u968f\u673a\u6570\u3002
\u7701\u7565\uff0c \u4ee5\u4e0a\u4e00\u4e2a\u968f\u673a\u6570\u4e3a\u79cd\u5b50\u4ea7\u751f\u4e0b\u4e00\u4e2a\u968f\u673a\u6570\u3002
\u8bf4\u660e\uff1a
Rnd \u51fd\u6570\u8fd4\u56de\u5c0f\u4e8e 1 \u4f46\u5927\u4e8e\u6216\u7b49\u4e8e 0 \u7684\u503c\u3002
number \u7684\u503c\u51b3\u5b9a\u4e86 Rnd \u751f\u6210\u968f\u673a\u6570\u7684\u65b9\u5f0f\u3002
\u5bf9\u6700\u521d\u7ed9\u5b9a\u7684\u79cd\u5b50\u90fd\u4f1a\u751f\u6210\u76f8\u540c\u7684\u6570\u5217\uff0c\u56e0\u4e3a\u6bcf\u4e00\u6b21\u8c03\u7528 Rnd \u51fd\u6570\u90fd\u7528\u6570\u5217\u4e2d\u7684\u524d\u4e00\u4e2a\u6570\u4f5c\u4e3a\u4e0b\u4e00\u4e2a\u6570\u7684\u79cd\u5b50\u3002
\u5728\u8c03\u7528 Rnd \u4e4b\u524d\uff0c\u5148\u4f7f\u7528\u65e0\u53c2\u6570\u7684 Randomize\u8bed\u53e5\u521d\u59cb\u5316\u968f\u673a\u6570\u751f\u6210\u5668\uff08\u82e5\u5e26\u53c2\u6570\uff0c\u5219\u4ea7\u751f\u7531\u53c2\u6570\u5bf9\u5e94\u7684\u4e00\u4e2a\u7279\u5b9a\u5e8f\u5217\u7684\u968f\u673a\u6570\uff09\uff0c\u8be5\u751f\u6210\u5668\u5177\u6709\u6839\u636e\u7cfb\u7edf\u8ba1\u65f6\u5668\u5f97\u5230\u7684\u79cd\u5b50\u3002
\u4e3a\u4e86\u751f\u6210\u67d0\u4e2a\u8303\u56f4\u5185\u7684\u968f\u673a\u6574\u6570\uff0c\u53ef\u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\uff1a
Int((upperbound - lowerbound + 1) * Rnd + lowerbound)
\u8fd9\u91cc\uff0cupperbound \u662f\u968f\u673a\u6570\u8303\u56f4\u7684\u4e0a\u9650\uff0c\u800c lowerbound \u5219\u662f\u968f\u673a\u6570\u8303\u56f4\u7684\u4e0b\u9650\u3002
\u6ce8\u610f \u82e5\u60f3\u5f97\u5230\u91cd\u590d\u7684\u968f\u673a\u6570\u5e8f\u5217\uff0c\u5728\u4f7f\u7528\u5177\u6709\u6570\u503c\u53c2\u6570\u7684 Randomize \u4e4b\u524d\u76f4\u63a5\u8c03\u7528\u5177\u6709\u8d1f\u53c2\u6570\u503c\u7684 Rnd\u3002\u4f7f\u7528\u5177\u6709\u540c\u6837 number \u503c\u7684 Randomize \u662f\u4e0d\u4f1a\u5f97\u5230\u91cd\u590d\u7684\u968f\u673a\u6570\u5e8f\u5217\u7684\u3002
\u53c2\u8003\u8d44\u6599\uff1a\u767e\u5ea6\u767e\u79d1\u2014\u2014rnd\uff08\u968f\u673a\u51fd\u6570\uff09
\u9519\u8bef\u4fe1\u606f\u63d0\u793a\uff1a random\u9644\u8fd1\u6709\u9519\u3002
\u8fd92\u53e5
i=random(100);
j=random(100);
\u6539\u6210
i=rand()%100;
j=rand()%100;
(\u4ea7\u751f100\u4ee5\u5185\u7684\u968f\u673a\u6570)
\u8fd9\u5c31\u53ef\u4ee5\u4e86\u3002
#include<stdlib.h>
#include<time.h>
int main()
{
int num1, num2;
srand(time(NULL));
num1=rand()%100;
num2=rand()%100;
printf("%d+%d=",num1,num2);
num1+=num2;
scanf("%d",&num2);
if(num1==num2)
{
printf("Score:5\n");
}
else
{
printf("Score:0\n");
}
return 0;
}
#include<stdio.h>
#include<time.h>
#include<windows.h>
void main()
{
int n,x,y,z,zhengque=0,cuowu=0,MAX=100;
printf("请输入试题数目: ");scanf("%d",&n);
printf("请输入数值范围: ");scanf("%d",&MAX);
for(int i=1;i<=n;i++)
{
srand(time(NULL));
x=rand()%MAX;
y=rand()%MAX;
printf("第%d题: %d+%d=",i,x,y);
scanf("%d",&z);
if(z==x+y)
{printf("回答正确! +5分\n");zhengque++;}
else {printf("回答错误! 0分 正确答案为:%d\n",x+y);cuowu++;}
}
printf("结果: 回答总题目数:%d 回答正确:%d道 回答错误:%d道 \n",n,zhengque,cuowu);
printf("正确率:%d 得分:%d \n",zhengque/n,zhengque*5);
}
绛旓細srand(time(NULL)); while(n--) *p++='a'+rand()%26; printf("闅忔満鐢熸垚40涓皬鍐欏瓧姣嶏細%s\n",cs); cnts=tj(cs); printf("鍏辫鐢熸垚浜%d绉嶅皬鍐欏瓧姣嶏紝鍒嗗埆涓暟涓猴細\n",cnt); for(i=0;i<cnt;i++) printf("%c锛%d\n",cnts[i][...
绛旓細鍒╃敤srand((unsigned int)(time(NULL))鏄竴绉嶆柟娉曪紝鍥犱负姣忎竴娆¤繍琛绋嬪簭鐨勬椂闂存槸涓嶅悓鐨勩傚湪C璇█閲屾墍鎻愪緵鐨勯殢鏈烘暟鍙戠敓鍣ㄧ殑鐢ㄦ硶锛氱幇鍦ㄧ殑C缂栬瘧鍣ㄩ兘鎻愪緵浜涓涓鍩轰簬ANSI鏍囧噯鐨勪吉闅忔満鏁板彂鐢熷櫒鍑芥暟锛岀敤鏉鐢熸垚闅忔満鏁般傚畠浠氨鏄痳and()鍜宻rand()鍑芥暟銆傝繖浜屼釜鍑芥暟鐨勫伐浣滆繃绋嬪涓锛1) 棣栧厛缁檚rand()鎻愪緵涓涓瀛...
绛旓細鐢╟璇█鍑涓涓殢鏈鏁帮紝鎬庝箞缂 浣犺浜х敓涓涓闅忓嵆鏁帮紝杩樻槸浜х敓寰堝闅忓嵆鏁帮紝鐒跺悗鎺掑簭锛熺劧鍚庤繕瑕佹煡鎵撅紵鏌ユ壘浠涔堟暟锛熼鐩娓呮ok锛 浜х敓50涓殢鍗虫暟锛岀劧鍚庢帓搴忓彲浠ュ姙鍒帮紝閭ｄ箞鏌ユ壘鏄剧ず鍑轰粈涔堟暟锛 鏍规嵁浣犵殑瑕佹眰棰樻剰锛绋嬪簭濡備笅锛岃繍琛屾甯搞 #include<stdio.h> #include<stdlib.h> #include main()...
绛旓細濡傛灉浠涔堥兘涓嶈冭檻(4浣嶆暟锛1000~9999)锛岃繖鏍峰氨琛屼簡鍚э細(int) ((float) rand() / RAND_MAX * (9999 - 1000 + 1)) + 1000 鎭╋紝杩樻槸鍔熷か涓嶅埌瀹讹紝杩欎釜濂斤細srand((unsigned)time(NULL)); //浜х敓闅忔満鏁扮瀛 printf("%d\n",rand()%9000+1000); //杈撳嚭闅忔満鏁 ...
绛旓細include <bits/stdc++.h>using namespace std;int main(){ srand(time(0)); int sco=0; for (int i=1;i<=10;i++){ int x=rand()%90+10,y=rand()%9+1,res; while (x*y>100) x=rand()%90+10,y=rand()%9+1; printf("%d*%d=",x,y); scanf("%d",...
绛旓細min 1 //杩欎釜鍑芥暟鐨勬剰涔変负锛氶殢鏈虹敓鎴鏈灏忕殑鏁颁负1int main(){int num;srand(time(0));num = rand() % (max - min) + min; // 杩欓噷鐨勬剰涔夛紝鈥%鈥濅负妯¤繍绠梡rintf("闅忔満鏁颁负锛%d\n", num);system("pause"); //杩欎釜浠ｇ爜鍙互璁╁脊鍑虹殑榛戞涓嶄細涓涓嬪氨娑堝けreturn 0;} ...
绛旓細rand()鍑芥暟浼氳繑鍥涓涓浼殢鏈烘暟锛屼絾鏄繖鏄氳繃涓绉嶆暟瀛﹀叕寮忔帹绠楀嚭鏉ョ殑锛屽緱鍒扮殑闅忔満鏁板垎甯冨お闆嗕腑锛岃繖鏃跺欒浣跨敤srand()鍑芥暟鏉ヨ瀹浜х敓闅忔満鏁扮殑绉嶅瓙锛屼竴鑸噰鐢ㄥ綋鍓嶆椂闂翠綔涓虹瀛愶紝杩欐牱鍙互寰楀埌鍒嗗竷姣旇緝鍧囧寑鐨勪吉闅忔満鏁般俽and(),srand()鍑芥暟浣嶄簬stdlib.h鏂囦欢涓紝鍙栧緱鏃堕棿鐨則ime()鍑芥暟浣嶄簬time.h鏂囦欢涓俽and()%...
绛旓細int main(){ srand((unsigned)time(NULL)); //浜х敓闅忔満绉嶅瓙 int n=rand()%100; //闅忔満鏁拌祴鍊肩粰n,杩欎釜鏄粠0-99,鍙互鏇存敼%鍚庨潰鐨勫间骇鐢熶笉鍚岀殑鑼冨洿.printf("%d\n",n);return 0;} 鐜板湪涓嶆槑鐧界殑浣犲涔犱竴娈垫椂闂磋嚜鐒跺氨鏄庣櫧浜,鎴栬呬綘baidu鎼滅储鐩稿叧鐨勫叧閿瘝 姣斿:srand rand 鎺ㄨ崘涓涓瀛︿範缂栫▼鐨...
绛旓細include <stdio.h>void main(){int i,a[1000],n,k=0;scanf("%d",&n);printf("鐢熸垚1000浠ュ唴鐨闅忔満鏁: ");for(i=0;i<n;i++){a[i]=("%d",rand()%1000);printf("%d ",a[i]);if(a[i]%2==0) k++;}printf("\n鍏朵腑鍋舵暟鐨勪釜鏁颁负%d",k);} 杩愯绀轰緥锛...
绛旓細srand() 鐨勪綔鐢ㄦ槸鏄涓涓绉嶅瓙,鎻愪緵姣忔鑾峰緱闅忔満鏁扮殑鍩烘暟鑰屽凡,rand()鏍规嵁绉嶅瓙鑰浜х敓闅忔満鏁版敞鎰1:srand() 閲岀殑鍊煎繀椤绘槸鍔ㄦ佸彉鍖栫殑,鍚﹀垯寰楀埌鐨勯殢鏈烘暟灏辨槸涓涓浐瀹氭暟2:鍏跺疄鍙互涓嶇敤鍐檚rand() ,鍙敤rand()灏卞彲浠ヤ簡,鐪佷簨,绠鍗,渚嬪瓙濡備笅濡傛灉鎴戜滑鎯冲緱鍒颁竴涓 0-60鐨勯殢鏈烘暟閭ｄ箞鍙互鍐欐垚int i;i=rand()%60;灏卞彲浠ヤ簡...
