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C/C++
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c++³ÌÐò
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c++³ÌÐò
³ÌÐòÖÐÓõ½ÁËmapº¯Êý£¬ÏÖÔÚÏë°Ñmapº¯ÊýµÃµ½µÄ½á¹û±£´æµ½ÎļþÖУ¬Ó¦¸ÃÔõô±à³Ì£¨×Ô¼ºÐ´µÄ³ÌÐò±¨´íÁË£©
CODE:
#include<stdio.h>
#include<stdlib.h>
#include<math.h>
#include <map>
using namespace std;
map<float,float> g_mapdata;
file *fp = null;
void insert_map(float jie1,float jiao1)
{
if (g_mapdata.find(jiao1) != g_mapdata.end() )
{
float jie = g_mapdata[jiao1];
g_mapdata[jiao1] = jie + jie1;
}else
g_mapdata[jiao1]= jie1;
}
void print_map()
{
file *fp = null;
printf("´òÓ¡È«²¿\n");
map<float,float>::iterator it=g_mapdata.begin();
for(;it!=g_mapdata.end();++it)
printf("%lf:%lf | ",it->first,it->second);
printf("\n end \n");
fp = fopen("test.txt", "a");
fprintf(fp, "%2.5f\n", it->first,it->second);
fclose(fp);
}
int main()
{
int n;
double a,b,c,d,e,f,jit,ji1,sum,jiw,xiangliangx,xiangliangy,zongjiao;
sum=0;
jiw=0;
while(1)
{
printf("ÇëÊäÈë×ø±ê¼°Á½°ë¾¶\n");
scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f);
double x=fabs(a-c);
double y=fabs(b-d);
double j=sqrt(x*x+y*y);
double h=e+f;
if(j<h)
{
double a;
a=(e*e+j*j-f*f)/(2*j*e);
double ji=0;
ji=acos(a);
ji=ji/3.1415926*180;
int jir=int(ji);
ji=jir;
jit= ji/180*3.1415926;
n=ji/0.1;
printf("ÓëµÚÒ»¸öÔ²µÄ¼Ð½Ç%lf\n",ji);
xiangliangx=c-a;
xiangliangy=d-b;
if(xiangliangy>0)
if(xiangliangx>0)
zongjiao=atan(xiangliangy/xiangliangx);
else
zongjiao=atan(-xiangliangy/xiangliangx)+3.1415926/2;
else
if(xiangliangx>0)
zongjiao=atan(xiangliangy/xiangliangx);
else
zongjiao=atan(-xiangliangy/xiangliangx)-3.1415926/2;
zongjiao = int(zongjiao/3.1415926*180);
zongjiao=zongjiao/180*3.1415926;
for(int i=1;i<n;i++)
{
double x1,x2,x3,jieg1,jieg2,jieg,b,jie0,jie1,jiao1,jiao2,jiao;
b=jit/n;
x1=1+tan(i*b)*tan(i*b);
x2=-2*j;
x3=j*j-f*f;
jieg1=(-x2+sqrt(x2*x2-4*x1*x3))/(2*x1);
jieg2=jieg1*tan(i*b);
jieg=sqrt(jieg1*jieg1+jieg2*jieg2);
jie0=(jieg-2);
jiao1=(zongjiao+b*i)/3.1415926*180;
jiao2=(zongjiao-b*i)/3.1415926*180;
jiao=i*b/3.1415926*180;
jie1=pow(jie0,1.5)*cos(i*b)*f;
sum=sum+jie1;
printf("Êä³öa%d=%lf\n",i+1,jie1);
printf("Êä³ö½Ça%d=%lf\n",i+1,jiao1);
printf("Êä³ö½Ça%d=%lf\n",i+1,jiao2);
insert_map(jie1,jiao1);
}
}
else
printf("Á½Ô²ÎÞ½»µã");
print_map();
}
printf("Êä³ö:%lf\n",sum);
system("pause");
return 0;
}
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[
Last edited by jjdg on 2018-11-9 at 20:51
]
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