C语言 π/2=2/1*2/3*4/3*4/5*6/5*6/7 求前100项之积计算π的值int main(){\x05int i,j;\x05float pi,n,m,o,p;\x05for(i=1,n=1;i<=99;i=i+2)\x05{\x05\x05o=(i+1)/i;\x05\x05n=n*o;\x05}\x05for(j=2,m=1;j<=100;j=j+2)\x05{\x05\x05p=j/(j+1);\x05\x05m
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![C语言 π/2=2/1*2/3*4/3*4/5*6/5*6/7 求前100项之积计算π的值int main(){\x05int i,j;\x05float pi,n,m,o,p;\x05for(i=1,n=1;i<=99;i=i+2)\x05{\x05\x05o=(i+1)/i;\x05\x05n=n*o;\x05}\x05for(j=2,m=1;j<=100;j=j+2)\x05{\x05\x05p=j/(j+1);\x05\x05m](/uploads/image/z/680472-0-2.jpg?t=C%E8%AF%AD%E8%A8%80+%CF%80%2F2%3D2%2F1%2A2%2F3%2A4%2F3%2A4%2F5%2A6%2F5%2A6%2F7+%E6%B1%82%E5%89%8D100%E9%A1%B9%E4%B9%8B%E7%A7%AF%E8%AE%A1%E7%AE%97%CF%80%E7%9A%84%E5%80%BCint+main%28%29%7B%5Cx05int+i%2Cj%3B%5Cx05float+pi%2Cn%2Cm%2Co%2Cp%3B%5Cx05for%28i%3D1%2Cn%3D1%3Bi%26lt%3B%3D99%3Bi%3Di%2B2%29%5Cx05%7B%5Cx05%5Cx05o%3D%28i%2B1%29%2Fi%3B%5Cx05%5Cx05n%3Dn%2Ao%3B%5Cx05%7D%5Cx05for%28j%3D2%2Cm%3D1%3Bj%26lt%3B%3D100%3Bj%3Dj%2B2%29%5Cx05%7B%5Cx05%5Cx05p%3Dj%2F%28j%2B1%29%3B%5Cx05%5Cx05m)
C语言 π/2=2/1*2/3*4/3*4/5*6/5*6/7 求前100项之积计算π的值int main(){\x05int i,j;\x05float pi,n,m,o,p;\x05for(i=1,n=1;i<=99;i=i+2)\x05{\x05\x05o=(i+1)/i;\x05\x05n=n*o;\x05}\x05for(j=2,m=1;j<=100;j=j+2)\x05{\x05\x05p=j/(j+1);\x05\x05m
C语言 π/2=2/1*2/3*4/3*4/5*6/5*6/7 求前100项之积计算π的值
int main()
{
\x05int i,j;
\x05float pi,n,m,o,p;
\x05for(i=1,n=1;i<=99;i=i+2)
\x05{
\x05\x05o=(i+1)/i;
\x05\x05n=n*o;
\x05}
\x05for(j=2,m=1;j<=100;j=j+2)
\x05{
\x05\x05p=j/(j+1);
\x05\x05m=m*p;
\x05}
\x05pi=n*m*2;
\x05printf("pi=%f\n",pi);
\x05return 0;
}
我这么写错在哪?为什么输出的都是0?
C语言 π/2=2/1*2/3*4/3*4/5*6/5*6/7 求前100项之积计算π的值int main(){\x05int i,j;\x05float pi,n,m,o,p;\x05for(i=1,n=1;i<=99;i=i+2)\x05{\x05\x05o=(i+1)/i;\x05\x05n=n*o;\x05}\x05for(j=2,m=1;j<=100;j=j+2)\x05{\x05\x05p=j/(j+1);\x05\x05m
数据类型问题,把i、j用float定义.