用三种循环结构实现求1+2-3+4-5+~+101,java提供的两种循环控制语句是什么？ 利用循环结构实现求1+2+3+…..+100的和，并将运算的...
\u7528\u4e09\u79cd\u5faa\u73af\u7ed3\u6784\u6c42\uff1a1+2+3++---+100\u53ca1*2*---*100\u7684\u503c#include
int main()
{
int i,sum=0;
double mul=1;
for(i=1;i<=100;i++)
{
sum+=i;
mul*=i;
//\u4e00\u79cd
}
printf("%d %lf\n",sum,mul);
i=1;
sum=0;
mul=1;
while(i<=100)
{
sum+=i;
mul*=i;
i++;
//\u4e24\u79cd
}
i=1;
printf("%d %lf\n",sum,mul);
sum=0;
mul=1;
do
{
sum+=i;
mul*=i;
i++;
//\u4e09\u79cd
}while(i<=100);
printf("%d %lf\n",sum,mul);
return 0;
}
\u90a3\u4e2a1*2*3*...100\u8fd9\u4e2a\u503c\u4e5f\u591f\u5927\u7684
#include stadio.h;
void main(){
int i,sum=0;
for(i=1;i<=100;i++){
sum=sum+i;}
printf("1+2+3+.......+100=",&sum);
}
\u6269\u5c55\u8d44\u6599
C\u8bed\u8a00\u7684\u8fd0\u7b97\u7b26\u4e3b\u8981\u7528\u4e8e\u6784\u6210\u8868\u8fbe\u5f0f\uff0c\u540c\u4e00\u4e2a\u7b26\u53f7\u5728\u4e0d\u540c\u7684\u8868\u8fbe\u5f0f\u4e2d\uff0c\u5176\u4f5c\u7528\u5e76\u4e0d\u4e00\u81f4\u3002\u4e0b\u9762\u6309\u8ba1\u7b97\u7684\u4f18\u5148\u987a\u5e8f\uff0c\u5206\u522b\u8bf4\u660e\u4e0d\u540c\u4f5c\u7528\u7684\u8868\u8fbe\u5f0f\u3002\u9700\u8981\u7279\u522b\u6307\u51fa\uff0c\u5728C\u8bed\u8a00\u6807\u51c6\u4e2d\uff0c\u5e76\u6ca1\u6709\u7ed3\u5408\u6027\u7684\u8bf4\u6cd5\u3002
\u76f8\u540c\u4f18\u5148\u7ea7\u8fd0\u7b97\u7b26\uff0c\u4ece\u5de6\u81f3\u53f3\u4f9d\u6b21\u8fd0\u7b97\u3002\u6ce8\u610f\u540e\u7f00\u8fd0\u7b97\u4f18\u5148\u7ea7\u9ad8\u4e8e\u524d\u7f00\u3002\u56e0\u6b64++i++\u5e94\u89e3\u91ca\u4e3a++(i++)\u3002
\u800c\u4e0e\u6216\u975e\u7684\u8fd0\u7b97\u4f18\u5148\u7ea7\u90fd\u4e0d\u4e00\u6837\uff0c\u56e0\u6b64a && b || b && c\u89e3\u91ca\u4e3a(a && b) || (b && c)
\u5408\u7406\u4f7f\u7528\u4f18\u5148\u7ea7\u53ef\u4ee5\u6781\u5927\u7b80\u5316\u8868\u8fbe\u5f0f\u3002
for(int i=1;i<102;i++){
if (i%2==1){
i1+=i;
}else{
i1-=i;
}
}sysout(i1)
//第一种,for循环
i1=0;
while(i<102){
if (i%2==1){
i1+=i;
}else{
i1-=i;
}
}
//第二种,while循环
sysout(i1)
int i1=0;
do{
if (i%2==1){
i1+=i;
}else{
i1-=i;
}
}while(i<102);
//第三种,do...while()循环
绛旓細if (i%2==1){ i1+=i;}else{ i1-=i;} }while(i<102);//绗涓夌,do...while()寰幆
绛旓細int main(){ int sum1 = 0;int sum2 = 0;int sum3 = 0;for(int i = 1;i<=100;i++){ sum1+=i;} int j = 1;while (j<=100){ sum2+=j;j++;} int m = 1;do{ sum3+=m;m++;}while (m<=100);printf("for寰幆缁撴灉锛%d锛寃hile寰幆缁撴灉锛%d锛宒o while寰幆缁撴灉锛%d\...
绛旓細1銆亀hile寰幆 while璇彞鐨勪竴鑸舰寮忎负锛歸hile(琛ㄨ揪寮)璇彞銆傚叾涓〃杈惧紡鏄惊鐜潯浠讹紝璇彞涓哄惊鐜綋銆倃hile璇彞涓殑琛ㄨ揪寮忎竴鑸槸鍏崇郴琛ㄨ揪鎴栭昏緫琛ㄨ揪寮忥紝鍙琛ㄨ揪寮忕殑鍊间负鐪(闈0)鍗冲彲缁х画寰幆銆2銆乨o-while璇彞鐨勪竴鑸舰寮忎负:do 璇彞 while(琛ㄨ揪寮)锛涜繖涓惊鐜笌while寰幆鐨勪笉鍚屽湪浜:瀹冨厛鎵ц寰幆涓殑璇彞,鐒跺悗鍐...
绛旓細涓夌寰幆缁撴瀯锛(1) for锛歠or (寰幆鎺у埗鍙橀噺鍒濆鍖; 寰幆缁堟鏉′欢; 寰幆鎺у埗鍙橀噺澧為噺){寰幆浣搣寰幆鎵ц姝ラ锛氱涓锛屽厛杩涜寰幆鎺у埗鍙橀噺鍒濆鍖栵紱绗簩锛屾墽琛屽惊鐜粓姝㈡潯浠讹紝濡傛灉鍒ゆ柇缁撴灉涓虹湡锛屽垯杩涘叆绗笁姝ワ紱濡傛灉涓哄亣鍒欏惊鐜粓姝㈠苟閫鍑猴紱绗笁锛屾墽琛屽惊鐜綋锛涚鍥涳紝鎵ц寰幆鎺у埗鍙橀噺澧為噺锛岃浆鍏ョ浜屾锛涙敞锛歠o...
绛旓細int main(){ int i=1;int num = 1;int res=0;while (i<=20){ res+=num;i++;num*=i;} printf("%d",res);} do-while:include <stdio.h> int main(){ int i=1;int num = 1;int res=0;do{ res+=num;i++;num*=i;} while(i<=20);printf("%d",res);} for:include...
绛旓細寰幆缁撴瀯璇彞鏈涓夌锛屽垎鍒槸`for`寰幆銆乣while`寰幆鍜宍do-while`寰幆銆1.`for`寰幆 for寰幆鏄竴绉嶇粡甯镐娇鐢ㄧ殑寰幆缁撴瀯璇彞锛岄傜敤浜庡凡鐭ュ惊鐜鏁扮殑鎯呭喌銆傚畠鐢变笁涓儴鍒嗙粍鎴愶細鍒濆鍖栬〃杈惧紡銆佸惊鐜潯浠跺拰寰幆杩唬琛ㄨ揪寮忋俙for`寰幆鐨勮娉曟牸寮忓涓嬶細pythonfor(鍒濆鍖栬〃杈惧紡;寰幆鏉′欢;寰幆杩唬琛ㄨ揪寮){//寰幆浣搣...
绛旓細for璇彞锛宖or璇彞鏄寰幆鎺у埗缁撴瀯涓娇鐢ㄦ渶骞挎硾鐨涓绉嶅惊鐜帶鍒惰鍙ワ紝鐗瑰埆閫傚悎宸茬煡寰幆娆℃暟鐨勬儏鍐点備竴鑸舰寮忓涓嬶細for ( [琛ㄨ揪寮 1]; [琛ㄨ揪寮 2 ]; [琛ㄨ揪寮3] )璇彞 鍏朵腑锛氳〃杈惧紡1锛氫竴鑸负璧嬪艰〃杈惧紡锛岀粰鎺у埗鍙橀噺璧嬪垵鍊硷紱琛ㄨ揪寮2锛氬叧绯昏〃杈惧紡鎴栭昏緫琛ㄨ揪寮忥紝寰幆鎺у埗鏉′欢锛涜〃杈惧紡3锛氫竴鑸负璧嬪艰〃杈惧紡锛岀粰鎺у埗...
绛旓細鐢╢or璇彞瀹炵幇寰幆锛 for璇彞鐨勪竴鑸舰寮忎负锛 for( 琛ㄨ揪寮1锛涜〃杈惧紡2锛涜〃杈惧紡3) 璇彞 涓変釜琛ㄨ揪寮忕殑涓昏浣滅敤鏄細 琛ㄨ揪寮1锛氳缃垵濮嬫潯浠讹紝鍙墽琛屼竴娆°傚彲浠ヤ负闆朵釜锛屼竴涓垨澶氫釜鍙橀噺璁剧疆鍒濆笺 琛ㄨ揪寮2锛氭槸寰幆鏉′欢琛ㄨ揪寮忥紝鐢ㄦ潵鍒ゅ畾鏄惁鎵ц寰幆銆傚湪姣忔鎵ц寰幆浣撳墠鍏堟墽琛屾琛ㄨ揪寮忥紝鍐冲畾鏄惁缁х画鎵ц寰幆銆
绛旓細include<stdio.h> void main(){ int i,j,n;double a,s=0;for(i=1;i<=10;i++){ for(j=1,a=1;j<=i;j++)a*=j;s+=a;} printf("s=%f\n",s);}
绛旓細include<conio.h> include<iomanip> using namespace std int x;void main(){for(x={1,2,3,5,7,11,12,13,15,17,11,12,21,22,23,25,27};x=999;x+={1,2,3,5,7,11,12,13,15,17,11,12,21,22,23,25,27})cout<<setw(3)<<x<<;getch();} 涓嶇‘淇★紝鎴戜篃闂竴涓嬨
