C语言程序，怎么让除法输出小数得数 c语言实数除法怎样保留小数部分
C\u8bed\u8a00\u4e2d\u9664\u6cd5\u600e\u4e48\u53d6\u5f97\u5c0f\u6570\u9664\u4e86\u4e00\u5f00\u59cb\u7528float\u8fdb\u884c\u5b9a\u4e49\u4e4b\u5916\uff0c\u540e\u9762\u8fdb\u884c\u9664\u6cd5\u8fd0\u7b97\u7684\u65f6\u5019\u8981\u52a0.0\uff0c\u5426\u5219\u7b97\u51fa\u7684\u7ed3\u679c\u7535\u8111\u4f1a\u81ea\u52a8\u53d6\u6574~~\u5982\uff1a3/2\u7684\u7ed3\u679c\u548c3.0/2\u7684\u7ed3\u679c\u5c31\u4e0d\u540c~~\u56e0\u4e3a\u6ca1\u6709\u5b9a\u4e493/2\u4e3a\u6d6e\u70b9\u578b\uff0c\u6240\u4ee53/2\u81ea\u52a8\u53d6\u6574\uff0c\u7ed3\u679c\u7b49\u4e8e1\u800c3.0/2\uff0c\u7531\u4e8e\u9884\u5148\u7528\u6d6e\u70b9\u578b\u8868\u793a\u5176\u7ed3\u679c\u663e\u7136\u4e3a\uff1a1.5 \u9664\u6cd5\u8fd0\u7b97\u7b26" / "\uff0c\u5982\u679c\u662f\u4e24\u4e2a\u6574\u6570\u76f8\u9664\u7ed3\u679c\u4e3a\u6574\u6570\u5982\u679c\u9700\u8981\u4fdd\u7559\u5c0f\u6570\u65f6 \u5fc5\u987b\u5c06\u5176\u4e2d\u4e00\u4e2a\u9664\u6570\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570 \uff03i nclude \uff03i nclude main() { float x; float y; printf("Enter x:"); scanf("%d",&x); y=fabs((5*x+1)/(x*x+1)); printf("y is %f\n",y); } \u6216\u8005 \uff03i nclude \uff03i nclude main() { int x; float y; printf("Enter x:"); scanf("%d",&x); y=fabs((float)(5*x+1)/(x*x+1)); printf("y is %f\n",y); }
#include
#include
char str[51];
int n,count,i;
int main()
{ scanf("%s",&str);
n=strlen(str);
count=1;
for(i=1;i<n;i++)
{if(str[i]!=str[i-1])
count++;
else continue; }
double ans;
ans=(float)n/count;
printf("%.2f",ans);}
printf("%.2f",ans); \u662f\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570
n\u548ccount\u90fd\u662fint\u578b\uff0c\u7528float\u5f3a\u5236\u8f6c\u6362\u6d6e\u70b9\u578b\uff0c\u624d\u80fd\u5f97\u51fa\u5e26\u5c0f\u6570\u7684\u7ed3\u679c\uff01\uff01
\u6269\u5c55\u8d44\u6599C\u8bed\u8a00\u7684\u8bbe\u8ba1\u76ee\u6807\u662f\u63d0\u4f9b\u4e00\u79cd\u80fd\u4ee5\u7b80\u6613\u7684\u65b9\u5f0f\u7f16\u8bd1\u3001\u5904\u7406\u4f4e\u7ea7\u5b58\u50a8\u5668\u3001\u4ea7\u751f\u5c11\u91cf\u7684\u673a\u5668\u7801\u4ee5\u53ca\u4e0d\u9700\u8981\u4efb\u4f55\u8fd0\u884c\u73af\u5883\u652f\u6301\u4fbf\u80fd\u8fd0\u884c\u7684\u7f16\u7a0b\u8bed\u8a00
C\u8bed\u8a00\u662f\u4e00\u95e8\u9762\u5411\u8fc7\u7a0b\u7684\u8ba1\u7b97\u673a\u7f16\u7a0b\u8bed\u8a00\uff0c\u4e0eC++\uff0cJava\u7b49\u9762\u5411\u5bf9\u8c61\u7684\u7f16\u7a0b\u8bed\u8a00\u6709\u6240\u4e0d\u540c\u3002\u5176\u7f16\u8bd1\u5668\u4e3b\u8981\u6709Clang\u3001GCC\u3001WIN-TC\u3001SUBLIME\u3001MSVC\u3001Turbo C\u7b49\u3002
C/C++\u7f16\u7a0b\u8bed\u8a00\u4e2d\uff0cint\u8868\u793a\u6574\u578b\u53d8\u91cf\uff0c\u662f\u4e00\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u7528\u4e8e\u5b9a\u4e49\u4e00\u4e2a\u6574\u578b\u53d8\u91cf\uff0c\u5728\u4e0d\u540c\u7f16\u8bd1\u73af\u5883\u6709\u4e0d\u540c\u7684\u5927\u5c0f\uff0c\u4e0d\u540c\u7f16\u8bd1\u8fd0\u884c\u73af\u5883\u5927\u5c0f\u4e0d\u540c\u3002
\u8bed\u6cd5
INT\uff08number\uff09
Number \u9700\u8981\u8fdb\u884c\u5411\u4e0b\u6216\u8005\u5411\u4e0a\u820d\u5165\u53d6\u6574\u7684\u5b9e\u6570\u3002
\u8bf4\u660e
int\u51fd\u6570\u53ef\u7528floor\u51fd\u6570\u4ee3\u66ff
int(number)=floor(number,1)
\u53c2\u8003\u8d44\u6599C\u8bed\u8a00\uff3f\u767e\u5ea6\u767e\u79d1int\u51fd\u6570\uff3f\u767e\u5ea6\u767e\u79d1
绛旓細浣犲彲浠ラ氳繃灏嗗叾涓竴涓垨涓や釜鎿嶄綔鏁拌浆鎹负娴偣鏁版潵瀹炵幇杩欎竴鐐銆傚湪C璇█涓紝浣犲彲浠ヤ娇鐢ㄧ被鍨嬭浆鎹㈣繍绠楃鏉ュ皢鏁存暟杞崲涓烘诞鐐规暟銆傜被鍨嬭浆鎹㈣繍绠楃鐨勮娉曟槸鍦ㄨ杞崲鐨勫煎墠闈㈠姞涓婅杞崲鍒扮殑绫诲瀷锛岀敤鎷彿鎷捣鏉ャ備緥濡傦紝灏嗘暣鏁5杞崲涓烘诞鐐规暟锛屽彲浠ュ啓鎴(float)5銆備笅闈㈡槸涓涓緥瀛愶紝灞曠ず浜嗗浣曞湪C璇█涓墽琛屾诞鐐归櫎娉...
绛旓細1銆佹墦寮C-Free锛屾柊寤烘枃浠躲2銆佽緭鍏ヤ互涓嬪唴瀹癸細锛堜互闄ゆ硶涓轰緥锛塱nclude <stdio.h> main(){ float a,b,c;printf("璇疯緭鍏琚櫎鏁锛");scanf("%f",&a);printf("\n璇疯緭鍏ラ櫎鏁帮細");scanf("%f",&b);c=a/b;printf("\n%f梅%f=%f\n",a,b,c);} 3銆佹寜F5杩愯锛屽緱鍒扮粨鏋溿4銆乫loat a,b,...
绛旓細銆愮瓟妗堛戯細鍦C璇█涓紝3/2=1鏄彇鏁磋繍绠楄淇濈暀灏忔暟闇瑕(3*1.0)/2=1.5
绛旓細闄や簡涓寮濮嬬敤float杩涜瀹氫箟涔嬪锛屽悗闈㈣繘琛闄ゆ硶杩愮畻鐨勬椂鍊欒鍔.0锛屽惁鍒欑畻鍑虹殑缁撴灉鐢佃剳浼氳嚜鍔ㄥ彇鏁 濡傦細3/2鐨勭粨鏋滃拰3.0/2鐨勭粨鏋滃氨涓嶅悓 鍥犱负娌℃湁瀹氫箟3/2涓烘诞鐐瑰瀷锛屾墍浠3/2鑷姩鍙栨暣锛岀粨鏋滅瓑浜1 鑰3.0/2锛岀敱浜庨鍏堢敤娴偣鍨嬭〃绀 鍏剁粨鏋滄樉鐒朵负锛1.5 ...
绛旓細){ float c;//棣栧厛瑕佹妸浣犺姹傜殑鏁板畾涔夋垚娴偣鍨嬶紝閫氫織鐨勮灏辨槸float鍜宒ouble灏辨槸灏忔暟鍨锛沬nt a=5,b=3;//int鏁存暟鍨嬶紝瀹冭嚜鍔ㄦ妸灏忔暟鍘绘帀锛沜=1.0*a/b;//鏈閲嶈鐨勬槸瑕佷箻浠1.0锛沺rintf("%.2f",c);//%.2f;%鍚庨潰鐨勬槸鐐癸紙.锛夊嚑锛屽氨淇濈暀鍑犱綅灏忔暟锛況eturn 0;} 甯屾湜鑳藉府鍒颁綘锛屾湜閲囩撼锛...
绛旓細棣栧厛C璇█涓病鏈夆滃疄鏁扳濈殑瀹氫箟锛屼絾鏄彲浠ラ氳繃瀹氫箟鍙橀噺绫诲瀷鍜屽己鍒剁被鍨嬭浆鎹㈡潵淇濈暀灏忔暟閮ㄥ垎銆1銆佸畾涔夌被鍨嬪彉閲忥紝浠ｇ爜濡備笅锛歩nclude<string.h> int main(){ double a = 7;int b = 2;double c = a / b;printf("c = %f\n", c);return 0;} 2銆佸己鍒剁被鍨嬭浆鎹紝浠ｇ爜濡備笅锛歩nclude<string.h> int...
绛旓細5/2鏄暣鍨嬬浉闄わ紝缁撴灉灏辨槸鏁村瀷 濡傛灉浣犳妸闄ゆ暟鎴栬琚櫎鏁鏀逛负娴偣鍨嬬殑璇 鐒跺悗杈撳嚭鍔犱互鎺у埗濡傦細printf("%0.1f",x); 缁撴灉涓2.5 寰楀埌鐨勭粨鏋滃氨浼氬惈鏈灏忔暟锛乮nclude<stdio.h> void main(){ float a=5.0;int b=2;printf("%0.1f",a/b);} ...
绛旓細ds=(float)a/(float)b;//鍔犱笂绫诲瀷杞崲灏卞彲浠ヤ簡銆
绛旓細闇瑕佸噯澶囩殑鏉愭枡鍒嗗埆鏈夛細鐢佃剳銆C璇█缂栬瘧鍣ㄣ1銆侀鍏堬紝鎵撳紑C璇█缂栬瘧鍣紝鏂板缓涓涓垵濮.cpp鏂囦欢锛屼緥濡傦細test.cpp銆2銆佸湪test.cpp鏂囦欢涓紝璋冩暣C璇█浠ｇ爜锛歞ouble c;c=1.0 * a/b;銆3銆佺紪璇戝櫒杩愯test.cpp鏂囦欢锛屾鏃舵垚鍔熷皢闄ゆ硶淇濈暀2浣嶆暣鏁杈撳嚭銆
绛旓細int n,count,i;int main(){ scanf("%s",&str);n=strlen(str);count=1;for(i=1;i<n;i++){if(str[i]!=str[i-1])count++;else continue; } double ans;ans=(float)n/count;printf("%.2f",ans);} printf("%.2f",ans); 鏄繚鐣欎袱浣灏忔暟 n鍜宑ount閮芥槸int鍨嬶紝鐢╢loat寮哄埗...
