用c语言：输出在1~100内的所有素数
#include<stdio.h>
#include<math.h>
intmain()
{
intn;
inti;
intflag=0;
for(n=2;n<=100;n++)
{
flag=0;
for(i=2;i<=sqrt(n);i++)
{
if(n%i==0)
{
flag=1;
break;
}
}
if(flag==0)
printf("%d",n);
}
return0;
}
扩展资料
C语言判断素数
#include<stdio.h>
intmain()
{
inti,j;
intm,n,p;
for(i=11;i<1000;i++)
{
if(i>=11&&i<=99)
{
m=i%10;
n=i/10;
}
else
{
m=i/100;
n=i%10;
}
if(m==n)
{
for(j=2;j<i/2;j++)
if(i%j==0)
break;
if(j>=i/2)
{
printf("%d",i);
}
}
}
return0;
}
绛旓細include<stdio.h> include<math.h> intmain(){ intn;inti;intflag=0;for(n=2;n<=100;n++){ flag=0;for(i=2;i<=sqrt(n);i++){ if(n%i==0){ flag=1;break;} } if(flag==0)printf("%d",n);} return0;}
绛旓細int A =1; int B=1; int C=2; do { A=A+B/C; B++; C++; } while (C<100);
绛旓細1銆佽緭鍑1-100浠ュ唴鐨绱犳暟锛2銆佸悓鏍凤紝涔熸槸杈撳嚭1-100浠ュ唴鐨勭礌鏁帮紝杩欎釜鏋勯涓涓暟缁勶紝灏嗗叾鎵鏈夊厓绱犲垵濮嬪寲涓1锛岃〃绀虹礌鏁帮紝杩欐椂鍙杧浠2寮濮嬶紝鍒100浠ュ唴鍋氬惊鐜傝嫢x涓虹礌鏁帮紝鍗硃rime[x]锛=0锛屼娇寰楁瘡涓猧*x浣嶇疆鍏冪礌缃0锛坧rime[i*x]=0锛夛紝琛ㄧず涓洪潪绱犳暟锛屽惊鐜粨鏉熷墠x+1銆3銆佽鏂规硶鏄杈撳嚭100涓礌鏁帮紝鍩烘湰...
绛旓細define N 100 int factor(int p){ int i,sum=0;for(i=2;i<N;i++)if(p%i==0) sum+=i;return sum;} int main(){ int i;for(i=1;i<=N;i++)if(i==factor(i)){printf("%3d",i);if(i%5==0) printf("\n");} return 0;} ...
绛旓細鎮ㄥソ锛屽緢楂樺叴涓烘偍浣滅瓟銆傚彲浠ヤ娇鐢ㄥ涓嬬殑C璇█绋嬪簭浠ｇ爜瀹炵幇锛歩nclude <stdio.h> int main() { int sum = 0;for (int i = 1; i < 100; i++) { if (i % 7 == 0 || i % 10 == 7 || i / 10 == 7) { sum += i;} } printf("1鍒100涔嬮棿鎵鏈夎兘琚7鏁撮櫎鎴栧寘鍚暟瀛7鐨勬暟...
绛旓細浣犲ソ锛屾庢牱鐢╟璇█杈撳嚭涓涓1鍒100鐨闅忔満鏁 include <stdio.h> #include #include<stdlib.h> main() { int i锛 srand(time(0))锛 i=rand()%100+1锛/*闅忔満鍑芥暟*/ printf("%d"锛宨)锛涖侰璇█鎬庢牱杈撳嚭涓缁勯殢鏈烘暟鎹 鍡瘇 浠ｇ爜璇犻噴涓涓 #include <stdio.h> #include ...
绛旓細瑙ｆ硶1:include <stdio.h> int F1(){ return 50*(1+99)/2;} int F2(){ return 50*(2+100)/2;} void main(){ printf("Odd number sum=%d,Even number sum=%d\n",F1(),F2());} 瑙ｆ硶2 include <stdio.h> int F1(){ int i,sum=0;for(i=1;i<=100;i+=2)sum+=i;return...
绛旓細while (1){ if (number[i] == number[j]) //鑻ユ湁鐩稿悓鍒欑户缁惊鐜噸鏂板畨鎺掗殢鏈烘暟 { number[i] = rand() % n;j = 0; //鑻ラ亣鍒扮浉鍚岀殑灏变粠澶撮亶鍘 continue;} if (j == (i - 1)) //鑻ラ亶鍘嗗畬灏辫烦鍑 break;j++;} cout << number[i] << " ";} cout << endl;return...
绛旓細71 73 79 83 89 97 鍦ㄨ繖涓▼搴忎腑锛屼娇鐢ㄤ簡涓涓 bool 绫诲瀷鐨勬暟缁勬潵瀛樺偍姣忎釜鏁版槸鍚︿负绱犳暟銆備娇鐢ㄧ瓫娉曠瓫閫夊嚭 1-100 涔嬮棿鐨勭礌鏁帮紝骞杈撳嚭姣忎釜绱犳暟銆傞渶瑕佹敞鎰忕殑鏄紝C 璇█娌℃湁鍐呯疆鐨 bool 绫诲瀷锛岄渶瑕佷娇鐢ㄥご鏂囦欢 stdbool.h 鏉ユ敮鎸 bool 绫诲瀷銆傚湪涓婇潰鐨勪唬鐮佷腑锛岄渶瑕佸寘鍚ご鏂囦欢 stdio.h 鍜 stdbool.h銆
绛旓細include <stdio.h> void main() { int i; for(i = 1; i < 100; i += 2) { printf("%d\t", i); if(i % 10 == 9) printf("\n"); // 1,3,5,7,9鍒氬ソ5涓暟锛屽悓鐞11,13,15,17,19锛屾墍浠ョ浜斾釜鏁颁釜浣嶄竴瀹氭槸9 } } ...
