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Create 1640.cpp

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KiritoTRw 2016-04-27 18:41:12 +08:00
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commit 2a0339dc47
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#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;
//We have to say this is a mash-up of terrible code. But at least, it solves the problem.
typedef struct
{
double x,y;
} point;
typedef struct
{
double k,b;
} line_s;
point inc[3];
line_s line[3];
int main()
{
int x,y;
int count=0;
while(scanf("%lf %lf %lf %lf %lf %lf",&inc[0].x,&inc[0].y,&inc[1].x,&inc[1].y,&inc[2].x,&inc[2].y)==6)
{
line[0].k=(inc[1].y-inc[0].y)/(inc[1].x-inc[0].x);
line[0].b=inc[0].y-line[0].k*inc[0].x;
line[1].k=(inc[2].y-inc[1].y)/(inc[2].x-inc[1].x);
line[1].b=inc[1].y-line[1].k*inc[1].x;
line[2].k=(inc[0].y-inc[2].y)/(inc[0].x-inc[2].x);
line[2].b=inc[2].y-line[2].k*inc[2].x;
if(!(inc[0].x!=inc[1].x&&inc[1].x!=inc[2].x&&inc[0].x!=inc[2].x))
{
if(inc[0].x==inc[1].x)
{
count=0;
for(x=1; x<100; x++)
{
for(y=1; y<100; y++)
{
if((x-inc[0].x)*(inc[2].x-inc[0].x)>=0)
{
if((y-line[1].k*x-line[1].b)*(inc[0].y-line[1].k*inc[0].x-line[1].b)>=0)
{
if((y-line[2].k*x-line[2].b)*(inc[1].y-line[2].k*inc[1].x-line[2].b)>=0)
{
count++;
}
}
}
}
}
}
else if(inc[1].x==inc[2].x)
{
count=0;
for(x=1; x<100; x++)
{
for(y=1; y<100; y++)
{
if((x-inc[1].x)*(inc[0].x-inc[1].x)>=0)
{
if((y-line[0].k*x-line[0].b)*(inc[2].y-line[0].k*inc[2].x-line[0].b)>=0)
{
if((y-line[2].k*x-line[2].b)*(inc[1].y-line[2].k*inc[1].x-line[2].b)>=0)
{
count++;
}
}
}
}
}
}
else if(inc[2].x==inc[0].x)
{
count=0;
for(x=1; x<100; x++)
{
for(y=1; y<100; y++)
{
if((x-inc[2].x)*(inc[1].x-inc[2].x)>=0)
{
if((y-line[0].k*x-line[0].b)*(inc[2].y-line[0].k*inc[2].x-line[0].b)>=0)
{
if((y-line[1].k*x-line[1].b)*(inc[0].y-line[1].k*inc[0].x-line[1].b)>=0)
{
count++;
}
}
}
}
}
}
printf("%d\n",count);
continue;
}
count=0;
for(x=1; x<100; x++)
{
for(y=1; y<100; y++)
{
if((y-line[0].k*x-line[0].b)*(inc[2].y-line[0].k*inc[2].x-line[0].b)>=0)
{
if((y-line[1].k*x-line[1].b)*(inc[0].y-line[1].k*inc[0].x-line[1].b)>=0)
{
if((y-line[2].k*x-line[2].b)*(inc[1].y-line[2].k*inc[1].x-line[2].b)>=0)
{
count++;
}
}
}
}
}
printf("%d\n",count);
}
}