C语言里计算X的立方的表达式?

C\u8bed\u8a00\u5982\u4f55\u8ba1\u7b97\u8868\u8fbe\u5f0f(x++)+(++x)+(x++)

\u6211\u539f\u6765\u5728\u522b\u7684\u8d34\u56de\u7b54\u8fc7\u8fd9\u6837\u7684\u95ee\u9898, \u8fd9\u91cc\u518d\u53d1\u4e00\u6b21, \u5982\u679c\u4f60\u6ca1\u770b\u660e\u767d\u4e2d\u95f4\u7684, \u4f60\u5c31\u8bb0\u4f4f\u5f00\u5934\u548c\u7ed3\u5c3e\u5c31\u884c\u4e86~

==========================================================

\u6b64\u7c7b\u8bed\u6cd5\u5728\u4e0d\u540c\u7684\u7f16\u8bd1\u5668\u4e0a\u5f97\u51fa\u7684\u7ed3\u679c\u4e0d\u540c\uff01\u53d6\u51b3\u4e8e\u4e0d\u540c\u7f16\u8bd1\u5668\u5bf9\u6b64\u7c7b\u8bed\u6cd5\u7684\u89e3\u6790\u65b9\u5f0f. \u4ee5\u4e0b\u662f\u4e24\u79cd\u60c5\u51b5, \u5b9e\u9645\u4e0a\u53ef\u80fd\u56e0\u4e3a\u7f16\u8bd1\u5668\u4f17\u591a\u800c\u4e0d\u53ea\u8fd9\u4e24\u79cd.

1.\u5bf9++j\u7684\u5904\u7406\u7684\u4e24\u79cd\u60c5\u51b5\uff0c\u4e00\u79cd\u662f\u5728\u8868\u8fbe\u5f0f\u8fdb\u884c\u8fd0\u7b97\u4e4b\u524d\u5c31\u5c06++j\u8ba1\u7b97\uff0c\u7136\u540e\u518d\u8fdb\u884c\u8868\u8fbe\u5f0f\u8fd0\u7b97\uff1b\u7b2c\u4e8c\u79cd\u662f\u5728\u8868\u8fbe\u5f0f\u8fd0\u7b97\u7684\u8fc7\u7a0b\u5f53\u4e2d\u8fdb\u884c++j\u81ea\u589e\u5e76\u8ba1\u7b97\u8868\u8fbe\u5f0f\u7684\u503c\u3002
2.\u4e24\u79cd\u60c5\u51b5\u5bf9j++\u7684\u5904\u7406\u65b9\u5f0f\u4e00\u6837\uff0c\u90fd\u662f\u8868\u8fbe\u5f0f\u8fd0\u7b97\u5b8c\u6210\u540e\u81ea\u589e\uff0c\u6240\u4ee5j++\u5bf9\u8868\u8fbe\u5f0f\u7684\u8fd0\u7b97\u65e0\u5f71\u54cd\u3002

\u7b2c\u4e00\u79cd\u60c5\u51b5\uff1a
\u5c31TC\u6765\u8bf4\uff0c\u4ed6\u662f\u7b2c\u4e00\u79cd\uff0c\u5148\u628a++j\u8fdb\u884c\u81ea\u589e\uff0c\u7136\u540e\u518d\u8fdb\u884c\u52a0\u6cd5\u8fd0\u7b97\uff0c\u800c\u4e0d\u7ba1++j\u51fa\u73b0\u7684\u987a\u5e8f\uff0c\u6bd4\u5982\uff1a

m+=(j++)+(++j)+(j++);

\u6709\u4e00\u4e2a++j\uff0c\u6240\u4ee5\u5148\u5c06j\u81ea\u589e\u4e00\u6b21\uff0c\u5047\u8bbej = 2\uff0c\u81ea\u589e\u4e00\u6b21\u540e\u4e3a3\uff0c\u6700\u540e\u7684\u8fd0\u7b97\u5c31\u662f\uff1a

m += 3 + 3 + 3;

\u800c\u4e0d\u662f
m += 2 + 3 + 4, \u867d\u7136\u7ed3\u679c\u90fd\u662fm += 9
\u4f60\u8bd5\u7740\u628a\u4ed6\u4eec\u7684\u987a\u5e8f\u6362\u4e00\u4e0b\uff1a
m+=(j++)+(j++)+(++j);
++j\u6362\u5230\u4e86\u540e\u9762\uff0c\u7ed3\u679c\u4ecd\u7136\u662f3+3+3,\u800c\u4e0d\u662f2+2+3,

\u518d\u5982\uff1a
m+=(j++)+(++j)+(j++)+(++j);
++j\u51fa\u73b0\u4e862\u6b21\uff0c\u90a3\u4e48\u5148\u5c06j\u81ea\u589e\u4e24\u6b21\uff0c\u4e3a4\uff0c\u8868\u8fbe\u7b49\u4ef7\u4e8e\uff1a
m+= 4 + 4 + 4 + 4;
\u800c\u4e0d\u662f
m+=2+3+3+4;

\u8fd9\u4e2a\u8868\u8fbe\u5f0f\u7684\u6c47\u7f16\uff1a
1 inc si ;\u81ea\u589ej
2 inc si
3 mov ax,si ;\u52a0\u6cd5\u8fd0\u7b97
4 add ax,si
5 add ax,si
6 add ax,si
7 add di,ax
8 inc si ;\u81ea\u589ej
9 inc si

\u7b2c1\u884c\u548c\u7b2c2\u884c\u662f\u5c06++j\u81ea\u589e\uff0c3\u52307\u884c\u662f\u52a0\u6cd5\u8fd0\u7b97\u30028\u30019\u884c\u662fj++\u7684\u81ea\u589e\uff0c\u4e0d\u53c2\u4e0e\u8868\u8fbe\u5f0f\u7684\u8fd0\u7b97\u3002

\u6240\u4ee5\u4f7f\u7528\u8fd9\u79cd\u7f16\u8bd1\u65b9\u5f0f\u7684\u7f16\u8bd1\u5668\uff0c++j\u7684\u4f4d\u7f6e\u5bf9\u7ed3\u679c\u65e0\u5f71\u54cd\u3002

\u7b2c\u4e8c\u79cd\u60c5\u51b5\uff1a
VC\u3001dev c\uff0c\u597d\u50cfgcc\u4e5f\u662f\u8fd9\u79cd\u60c5\u51b5\uff0c\u4ed6\u662f\u5728\u8fd0\u7b97\u8fc7\u7a0b\u4e2d\u5bf9++j\u8fdb\u884c\u8fd0\u7b97\u3002\u6240\u4ee5++j\u7684\u4f4d\u7f6e\u5bf9\u7ed3\u679c\u6709\u5f71\u54cd\u3002

\u5176\u4e2dVC\u7684\u8fd8\u6bd4\u8f83\u5947\u7279\uff0c\u6bd4\u5982
m=(j++)+(++j)+(++j)+(j++)+(j++);
\u7684\u6c47\u7f16\uff1a
mov eax, DWORD PTR _j$[ebp]
add eax, 1
mov DWORD PTR _j$[ebp], eax ++j;
mov ecx, DWORD PTR _j$[ebp] m += j;
add ecx, DWORD PTR _j$[ebp] m += j;
mov edx, DWORD PTR _j$[ebp]
add edx, 1
mov DWORD PTR _j$[ebp], edx ++j;
add ecx, DWORD PTR _j$[ebp] m += j;
add ecx, DWORD PTR _j$[ebp] m += j;
add ecx, DWORD PTR _j$[ebp] m += j;
mov DWORD PTR _m$[ebp], ecx

\u7ed3\u679c\u662f
m = 3 + 3 + 4 + 4 + 4 = 18
\u4f46\u662f\u5c06\u5176\u4e2d\u4e00\u4e2a++j\u8c03\u6362\u987a\u5e8f\uff1a
m=(j++)+(++j)+(j++)+(++j)+(j++);
\u7ed3\u679c\u662f\uff1a
m = 3 + 3 + 3 + 4 + 4 = 17

\u4f46\u662f
m = (j++)+(j++)+(++j)+(++j)+(j++)+(j++);
\u7ed3\u679c\u5374\u662f
m = 2 + 2 + 3 + 4 + 4 + 4 = 19

\u5c31\u662f\u8bf4\u524d\u9762\u4e24\u4e2a\u5728\u7b2c\u4e8c\u4e2a++j\u4e4b\u524d\u90fd\u63d0\u524d\u8fdb\u884c\u4e86++j\uff0c\u800c\u7b2c\u4e09\u4e2a\u8868\u8fbe\u5f0f\u6ca1\u6709\u3002

\u603b\u4e4b\u6bd4\u8f83\u5947\u7279\uff0c\u8ddfVC\u7f16\u8bd1\u5668\u4ee3\u7801\u4f18\u5316\u4ec0\u4e48\u7684\u6709\u5173\u7cfb\u3002\u800c\u4e14\u4f60\u5c06VC6\u7684\u7f16\u8bd1\u6539\u6210release\uff0c\u4e0a\u9762\u7b2c\u4e09\u4e2a\u8868\u8fbe\u5f0f\u7684\u7ed3\u679c\u5c31\u662f
m \uff1d 4 + 4 + 4 + 4 + 4 + 4 = 24\uff0c\u4e0d\u662f19\u4e86\uff01

=============================================================
\u7ed3\u8bba\uff1a
\u5e73\u5e38\u7f16\u7a0b99.999%\u4e0d\u4f1a\u9047\u5230\u8fd9\u79cd\u60c5\u51b5\uff0c\u5c31\u7b97\u9047\u5230\u4e86\u4e5f\u4e0d\u8981\u8fd9\u4e48\u7528\uff0c\u4e0d\u540c\u7684\u7f16\u8bd1\u5668\u4ea7\u751f\u7684\u7ed3\u679c\u4e0d\u540c\uff0c\u5f71\u54cd\u4f60\u7684\u7a0b\u5e8f\u7684\u53ef\u79fb\u690d\u6027\u3002 \u53e6\u5916\u4e0d\u9664\u4e86\u56e0\u4e3a\u4e0d\u540c\u7684\u7f16\u8bd1\u5668\u7ed3\u679c\u53ef\u80fd\u4e0d\u540c\uff0c\u76f8\u540c\u7684\u7f16\u8bd1\u5668\u4f7f\u7528\u4e0d\u540c\u7684\u7f16\u8bd1\u9009\u9879\uff08\u6bd4\u5982\u4ee3\u7801\u4f18\u5316\uff09\u4e5f\u53ef\u80fd\u4f7f\u7ed3\u679c\u4e0d\u540c\u3002

#include
#include
#define MaxSize 99
void translate(char str[],char exp[]) /*\u5c06\u7b97\u672f\u8868\u8fbe\u5f0f\u8f6c\u6362\u6210\u540e\u7f00\u8868\u8fbe\u5f0f*/
{
struct
{
char data[MaxSize];
int top; /*top\u4e3a\u6808\u9876*/
}op; /*\u5b9a\u4e49\u4e00\u4e2a\u542bdata\u548ctop\u7684\u7ed3\u6784\u4f53*/
char ch;
int i = 0,t = 0;
op.top = -1;
ch = str[i]; /*\u5c06str\u7684\u6bcf\u4e00\u4e2a\u6570\u8f6c\u6362\u6210ch*/
i++;
while(ch != '\0') /*ch\u5bf9\u5e94\u4e0d\u540c\u7684\u7b26\u53f7\u7684\u65f6\u5019\u5bf9\u5e94\u7684\u8f6c\u6362\u60c5\u51b5*/
{
switch(ch)
{
case '(': /*\u5f53\u662f\uff08\u7684\u65f6\u5019\uff0c\u5c06\u6b64\u62ec\u53f7\u5b58\u5165\u6808op*/
op.top++;op.data[op.top]=ch;
break;
case ')':
while(op.data[op.top] != '(') /*\u62ec\u53f7\u5185\u7684\u8f6c\u6362\u4f18\u5148\u7ea7\u6700\u9ad8\uff0c\u6545\u5148\u63d0\u53d6\u8868\u8fbe\u5f0f*/
{
exp[t]=op.data[op.top];
op.top--;
t++;
}
op.top--;
break;
case '+':
case '-':
while(op.top != -1&&op.data[op.top] != '(')
{
exp[t] = op.data[op.top];
op.top--;
t++;
}
op.top++; /*\u6062\u590d\u53ef\u63d2\u5165\u4f4d\u7f6e*/
op.data[op.top] = ch;
break;
case '*':
case '/':
while(op.top == '/'||op.top == '*') /*\u4f18\u5148\u7ea7*/
{
exp[t] = op.data[op.top];
op.top--;
t++;
}
op.top++;
op.data[op.top] = ch;
break;
case ' ': /*\u5ffd\u7565\u7a7a\u683c\uff0c\u6392\u9664\u8bef\u64cd\u4f5c*/
break;
default:
while(ch >= '0'&&ch <= '9')
{
exp[t] = ch;t++;
ch = str[i];i++;
}
i--;
exp[t] = '#'; /*\u5206\u9694\u64cd\u4f5c\u6570\uff0c\u4e3a\u4e86\u7f8e\u89c2\uff0c\u4e5f\u4e3a\u4e86\u4ee5\u540e\u597d\u5206\u9694\u64cd\u4f5c\u6570\uff0c\u5475\u5475*/
t++;
}
ch = str[i];
i++;
}
while(op.top != -1) /*\u5f97\u5230\u5269\u4e0b\u7684\u90e8\u5206*/
{
exp[t] = op.data[op.top];
t++;
op.top--;
}
exp[t] = '\0'; /*\u8868\u8fbe\u5f0f\u7ed3\u675f*/
}
float cal_value(char exp[])
{
struct
{
float data[MaxSize];
int top;
}st; /*\u64cd\u4f5c\u6570\u6808*/
float d;
char ch;
int t = 0;
st.top = -1;
ch = exp[t];
t++;
while(ch != '\0')
{
switch(ch) /*\u8fd0\u7b97\u4e3b\u4f53*/
{
case '+':
st.data[st.top-1] = st.data[st.top-1]+st.data[st.top];
st.top--;
break;
case '-':
st.data[st.top-1] = st.data[st.top-1]-st.data[st.top];
st.top--;
break;
case '*':
st.data[st.top-1] = st.data[st.top-1]*st.data[st.top];
st.top--;
break;
case '/':
if(st.data[st.top] != 0)
st.data[st.top-1]=st.data[st.top-1]/st.data[st.top];
else
{
printf("\n\t\u96640\u662f\u9519\u8bef\u7684");
}
st.top--;
break;
default:
d=0;
while(ch >= '0'&&ch <= '9') /*\u4ece\u540e\u7f00\u8868\u8fbe\u5f0f\u4e2d\u83b7\u53d6\u64cd\u4f5c\u6570\uff0c#\u4f5c\u7528\u5728\u6b64\u4f53\u73b0*/
{
d = 10*d+ch-'0';
ch = exp[t];
t++;
}
st.top++;
st.data[st.top] = d;
}
ch = exp[t];
t++;
}
return st.data[st.top];
}
int main() /*\u53ef\u4ee5\u63d0\u5230\u524d\u9762\u53bb*/
{
char str[MaxSize],exp[MaxSize]; /*str\u4e3a\u7b97\u672f\u8868\u8fbe\u5f0f,exps\u4e3a\u540e\u7f00\u8868\u8fbe\u5f0f*/
printf("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6c42\u503c\u8868\u8fbe\u5f0f\n");
printf("\u8868\u8fbe\u5f0f:");
gets(str); /*\u8f93\u5165\u4e00\u4e2a\u7b97\u672f\u8868\u8fbe\u5f0f*/
printf("\u539f\u8868\u8fbe\u5f0f\u662f:%s\n",str);
translate(str,exp); /*\u5c06\u7b97\u672f\u8868\u8fbe\u5f0f\u8f6c\u6362\u6210\u540e\u8ffd\u8868\u8fbe\u5f0f*/
printf("\u540e\u7f00\u8868\u8fbe\u5f0f\uff1a%s\n",exp);
printf("\u8ba1\u7b97\u7ed3\u679c:%g\n",cal_value(exp));/*\u901a\u8fc7\u540e\u7f00\u8868\u8fbe\u5f0f\u6765\u6c42\u503c*/
system("pause");
return 0;
}

x^3 或者 x*x*x

x^3 或者 x*x*x

x^3

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绛旓細杩欐槸鍥犱负璧嬪艰鍙ユ槸浠庡彸鍚戝乏杩愮畻鐨,涔熷氨鏄浠庡彸绔紑濮璁＄畻銆傝繖鏍峰畠鍏坱otal2=0;鐒跺悗total1=total2;閭ｄ箞鎴戜滑杩欐牱琛屼笉琛屽憿? (total1=total2)=0; 杩欐牱鏄笉鍙互鐨,鍥犱负鍏堣绠楁嫭鍙烽噷闈㈢殑,杩欐椂total1=total2鏄竴涓琛ㄨ揪寮,鑰岃祴鍊艰鍙ョ殑宸﹁竟鏄笉鍏佽琛ㄨ揪寮忓瓨鍦ㄧ殑銆 浜屻佺畻鏈繍绠楃 鍦C璇█涓鏈変袱涓崟鐩拰浜斾釜...

c璇█閲(?:)鐨勭粨鍚堟ф槸鎬庢牱鐨?
绛旓細鍒嗙被: 鐢佃剳/缃戠粶 >> 绋嬪簭璁捐 >> 鍏朵粬缂栫▼璇█ 瑙ｆ瀽:2.11 鏉′欢琛ㄨ揪寮 璇彞 if (a > b)z = a;else z = b;璁＄畻a鍜宐鐨勬渶澶у煎瓨鍏銆傜敤涓夐噸鎿嶄綔绗︿功鍐欑殑鏉′欢琛ㄨ揪寮廯`?:''锛屾彁渚涗簡鍙︿竴绉嶅彲閫夋嫨鐨勬柟娉曞拰鐩镐技鐨勬瀯閫犮傝〃杈惧紡 expr1 ? expr2 : expr3 棣栧厛璁＄畻琛ㄨ揪寮expr1銆傚鏋滃畠闈0锛堢湡...

C璇█涓寮鏂规庝箞琛ㄨ揪鐨(鍖呮嫭鍑芥暟),璇锋暀楂樻墜,瓒婅缁嗚秺濂...
绛旓細鍥炵瓟锛氬紑鏂,姣斿寮 2 娆℃柟銆傘傚彲浠ョ湅鎴愭槸 1/2 娆℃柟銆傘 C璇█閲岄潰鐨勬寚鏁板嚱鏁般傘傛槸鐢 pow(x, y)(鍦ㄥご鏂囦欢 math.h 閲岄潰)琛ㄧず鐨勩傘傚嵆 x 鐨 y 娆℃柟銆傘 鎵浠ヨ,濡傛灉瑕佽〃绀哄紑鏂圭殑璇濄傘 float n = 2; pow(x, 1.0/n);//灏卞彲浠ヨ〃绀 x 寮 n 娆℃柟,杩欓噷 n 涓 2,琛ㄧず 寮骞虫柟銆...

c璇█:璁x=3姹備笅鍒梞鐨鍊 m=++x,x++ m=(++x,x++)?
绛旓細棣栧厛鏄庣‘涓夌偣锛氫竴銆佽祴鍊杩愮畻鐨勪紭鍏堢骇楂樹簬閫楀彿琛ㄨ揪寮忋備簩銆侀楀彿琛ㄨ揪寮忎粠宸﹀線鍙璁＄畻锛屾暣涓楀彿琛ㄨ揪寮忕殑鍊兼槸鍏舵渶鍙宠竟閭ｄ釜瀛愯〃杈惧紡鐨勫笺備笁銆佸墠缃嚜鍔犳槸鍏堣嚜鍔犲悗浣跨敤锛岃屽悗缃嚜鍔犳槸鍏堜娇鐢ㄥ綋鍓嶅煎啀鑷姞銆傚洜姝わ紝瀵逛簬m=++x,x++;m灏辩瓑浜++x鐨鍊4銆傝屽浜巑=(++x,x++);m鐨勫煎氨鏄楀彿琛ㄨ揪寮(++x,x++)鐨...

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