0_0_20611949_16777.cpp:14:27: error: stray '#' in program
using namespace std; #define PF(x) (scanf("%d",&x))#define PT(x,y) (scanf("%d%d",&x,&y))#define PR(x) (printf("%d\n",x))#define PRT(x,y)(printf("%d %d\n",x,y))#define M 1000 int n;struct P{ int x,y; void in() { PT(x,y); }};P ar[1000]; int mul(P a,P b,P c){ return (a.x-c.x)*(b.y-c.y)-(b.x-c.x)*(a.y-c.y);}double area(P a,P b,P c){ return fabs((double)mul(a,b,c))/2.0;}void init(){ while(scanf("%d",&n)!=EOF) { for(int i=0;i<n;i++) ar[i].in(); double areas = 0.0; for(int i=0;i<n;i++) for(int j = i+1;j<n;j++) for(int k = j+1;k<n;k++) { if(areas<area(ar[i],ar[j],ar[k])) areas = area(ar[i],ar[j],ar[k]); } printf("%.1lf\n",areas); } return ;}int main(){ init(); return 0;}
^
0_0_20611949_16777.cpp:14:57: error: stray '#' in program
using namespace std; #define PF(x) (scanf("%d",&x))#define PT(x,y) (scanf("%d%d",&x,&y))#define PR(x) (printf("%d\n",x))#define PRT(x,y)(printf("%d %d\n",x,y))#define M 1000 int n;struct P{ int x,y; void in() { PT(x,y); }};P ar[1000]; int mul(P a,P b,P c){ return (a.x-c.x)*(b.y-c.y)-(b.x-c.x)*(a.y-c.y);}double area(P a,P b,P c){ return fabs((double)mul(a,b,c))/2.0;}void init(){ while(scanf("%d",&n)!=EOF) { for(int i=0;i<n;i++) ar[i].in(); double areas = 0.0; for(int i=0;i<n;i++) for(int j = i+1;j<n;j++) for(int k = j+1;k<n;k++) { if(areas<area(ar[i],ar[j],ar[k])) areas = area(ar[i],ar[j],ar[k]); } printf("%.1lf\n",areas); } return ;}int main(){ init(); return 0;}
^
0_0_20611949_16777.cpp:14:94: error: stray '#' in program
using namespace std; #define PF(x) (scanf("%d",&x))#define PT(x,y) (scanf("%d%d",&x,&y))#define PR(x) (printf("%d\n",x))#define PRT(x,y)(printf("%d %d\n",x,y))#define M 1000 int n;struct P{ int x,y; void in() { PT(x,y); }};P ar[1000]; int mul(P a,P b,P c){ return (a.x-c.x)*(b.y-c.y)-(b.x-c.x)*(a.y-c.y);}double area(P a,P b,P c){ return fabs((double)mul(a,b,c))/2.0;}void init(){ while(scanf("%d",&n)!=EOF) { for(int i=0;i<n;i++) ar[i].in(); double areas = 0.0; for(int i=0;i<n;i++) for(int j = i+1;j<n;j++) for(int k = j+1;k<n;k++) { if(areas<area(ar[i],ar[j],ar[k])) areas = area(ar[i],ar[j],ar[k]); } printf("%.1lf\n",areas); } return ;}int main(){ init(); return 0;}
^
0_0_20611949_16777.cpp:14:126: error: stray '#' in program
using namespace std; #define PF(x) (scanf("%d",&x))#define PT(x,y) (scanf("%d%d",&x,&y))#define PR(x) (printf("%d\n",x))#define PRT(x,y)(printf("%d %d\n",x,y))#define M 1000 int n;struct P{ int x,y; void in() { PT(x,y); }};P ar[1000]; int mul(P a,P b,P c){ return (a.x-c.x)*(b.y-c.y)-(b.x-c.x)*(a.y-c.y);}double area(P a,P b,P c){ return fabs((double)mul(a,b,c))/2.0;}void init(){ while(scanf("%d",&n)!=EOF) { for(int i=0;i<n;i++) ar[i].in(); double areas = 0.0; for(int i=0;i<n;i++) for(int j = i+1;j<n;j++) for(int k = j+1;k<n;k++) { if(areas<area(ar[i],ar[j],ar[k])) areas = area(ar[i],ar[j],ar[k]); } printf("%.1lf\n",areas); } return ;}int main(){ init(); return 0;}
^
0_0_20611949_16777.cpp:14:165: error: stray '#' in program
using namespace std; #define PF(x) (scanf("%d",&x))#define PT(x,y) (scanf("%d%d",&x,&y))#define PR(x) (printf("%d\n",x))#define PRT(x,y)(printf("%d %d\n",x,y))#define M 1000 int n;struct P{ int x,y; void in() { PT(x,y); }};P ar[1000]; int mul(P a,P b,P c){ return (a.x-c.x)*(b.y-c.y)-(b.x-c.x)*(a.y-c.y);}double area(P a,P b,P c){ return fabs((double)mul(a,b,c))/2.0;}void init(){ while(scanf("%d",&n)!=EOF) { for(int i=0;i<n;i++) ar[i].in(); double areas = 0.0; for(int i=0;i<n;i++) for(int j = i+1;j<n;j++) for(int k = j+1;k<n;k++) { if(areas<area(ar[i],ar[j],ar[k])) areas = area(ar[i],ar[j],ar[k]); } printf("%.1lf\n",areas); } return ;}int main(){ init(); return 0;}
^
0_0_20611949_16777.cpp:14:28: error: 'define' does not name a type
using namespace std; #define PF(x) (scanf("%d",&x))#define PT(x,y) (scanf("%d%d",&x,&y))#define PR(x) (printf("%d\n",x))#define PRT(x,y)(printf("%d %d\n",x,y))#define M 1000 int n;struct P{ int x,y; void in() { PT(x,y); }};P ar[1000]; int mul(P a,P b,P c){ return (a.x-c.x)*(b.y-c.y)-(b.x-c.x)*(a.y-c.y);}double area(P a,P b,P c){ return fabs((double)mul(a,b,c))/2.0;}void init(){ while(scanf("%d",&n)!=EOF) { for(int i=0;i<n;i++) ar[i].in(); double areas = 0.0; for(int i=0;i<n;i++) for(int j = i+1;j<n;j++) for(int k = j+1;k<n;k++) { if(areas<area(ar[i],ar[j],ar[k])) areas = area(ar[i],ar[j],ar[k]); } printf("%.1lf\n",areas); } return ;}int main(){ init(); return 0;}
^
0_0_20611949_16777.cpp: In member function 'void P::in()':
0_0_20611949_16777.cpp:14:239: error: 'PT' was not declared in this scope
using namespace std; #define PF(x) (scanf("%d",&x))#define PT(x,y) (scanf("%d%d",&x,&y))#define PR(x) (printf("%d\n",x))#define PRT(x,y)(printf("%d %d\n",x,y))#define M 1000 int n;struct P{ int x,y; void in() { PT(x,y); }};P ar[1000]; int mul(P a,P b,P c){ return (a.x-c.x)*(b.y-c.y)-(b.x-c.x)*(a.y-c.y);}double area(P a,P b,P c){ return fabs((double)mul(a,b,c))/2.0;}void init(){ while(scanf("%d",&n)!=EOF) { for(int i=0;i<n;i++) ar[i].in(); double areas = 0.0; for(int i=0;i<n;i++) for(int j = i+1;j<n;j++) for(int k = j+1;k<n;k++) { if(areas<area(ar[i],ar[j],ar[k])) areas = area(ar[i],ar[j],ar[k]); } printf("%.1lf\n",areas); } return ;}int main(){ init(); return 0;}
^
0_0_20611949_16777.cpp: In function 'void init()':
0_0_20611949_16777.cpp:14:433: error: 'n' was not declared in this scope
using namespace std; #define PF(x) (scanf("%d",&x))#define PT(x,y) (scanf("%d%d",&x,&y))#define PR(x) (printf("%d\n",x))#define PRT(x,y)(printf("%d %d\n",x,y))#define M 1000 int n;struct P{ int x,y; void in() { PT(x,y); }};P ar[1000]; int mul(P a,P b,P c){ return (a.x-c.x)*(b.y-c.y)-(b.x-c.x)*(a.y-c.y);}double area(P a,P b,P c){ return fabs((double)mul(a,b,c))/2.0;}void init(){ while(scanf("%d",&n)!=EOF) { for(int i=0;i<n;i++) ar[i].in(); double areas = 0.0; for(int i=0;i<n;i++) for(int j = i+1;j<n;j++) for(int k = j+1;k<n;k++) { if(areas<area(ar[i],ar[j],ar[k])) areas = area(ar[i],ar[j],ar[k]); } printf("%.1lf\n",areas); } return ;}int main(){ init(); return 0;}
^
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