Rezumat problemă

InfasuratoareConvexa

#936

Se dau puncte distincte în plan. Să se determine un poligon de arie maximă care are vârfuri dintre punctele date.

Fișiere Marius Nicoli (mariusn) Marius Nicoli dificilă

Clasa 10 Probleme diverse Geometrie infasuratoare convexa

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Detalii

Problema	InfasuratoareConvexa	Operații I/O	infasuratoareconvexa.in/infasuratoareconvexa.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#57211293	Utilizator	Tomiță Mircea-Ștefan (Mircea11)
Fișier	infasuratoareconvexa.cpp	Dimensiune	3.12 KB
Data încărcării	20 Martie 2025, 11:34	Scor / rezultat	Eroare de compilare

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Mesaj compilare

infasuratoareconvexa.cpp:7:13: error: 'int64_t y0' redeclared as different kind of symbol
 int64_t x0, y0;

             ^
In file included from /usr/include/features.h:374:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/os_defines.h:39,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/c++config.h:426,
                 from /usr/include/c++/4.8/utility:68,
                 from /usr/include/c++/4.8/algorithm:60,
                 from infasuratoareconvexa.cpp:1:
/usr/include/i386-linux-gnu/bits/mathcalls.h:240:1: error: previous declaration of 'double y0(double)'
 __MATHCALL (y0,, (_Mdouble_));
 ^
infasuratoareconvexa.cpp: In member function 'void point::assignCoord(int64_t, int64_t)':
infasuratoareconvexa.cpp:43:34: error: invalid operands of types 'int64_t {aka long long int}' and 'double(double)throw ()' to binary 'operator-'
         theta.assignFraction(y - y0, x - x0);

                                  ^
infasuratoareconvexa.cpp: In function 'bool sortAscendingAngle(point, point)':
infasuratoareconvexa.cpp:54:46: error: invalid conversion from 'double (*)(double)throw ()' to 'int64_t {aka long long int}' [-fpermissive]
     return a.distanceFromOriginSquared(x0, y0) < b.distanceFromOriginSquared(x0, y0);

                                              ^
infasuratoareconvexa.cpp:45:13: error:   initializing argument 2 of 'int64_t point::distanceFromOriginSquared(int64_t, int64_t)' [-fpermissive]
     int64_t distanceFromOriginSquared(int64_t x0, int64_t y0) {

             ^
infasuratoareconvexa.cpp:54:84: error: invalid conversion from 'double (*)(double)throw ()' to 'int64_t {aka long long int}' [-fpermissive]
     return a.distanceFromOriginSquared(x0, y0) < b.distanceFromOriginSquared(x0, y0);

                                                                                    ^
infasuratoareconvexa.cpp:45:13: error:   initializing argument 2 of 'int64_t point::distanceFromOriginSquared(int64_t, int64_t)' [-fpermissive]
     int64_t distanceFromOriginSquared(int64_t x0, int64_t y0) {

             ^
infasuratoareconvexa.cpp: In function 'int main()':
infasuratoareconvexa.cpp:67:13: error: assignment of function 'double y0(double)'
     x0 = y0 = coordMax;

             ^
infasuratoareconvexa.cpp:67:13: error: cannot convert 'const int64_t {aka const long long int}' to 'double(double)throw ()' in assignment
infasuratoareconvexa.cpp:74:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
         if (y < y0) {

                 ^
infasuratoareconvexa.cpp:76:16: error: assignment of function 'double y0(double)'
             y0 = y;

                ^
infasuratoareconvexa.cpp:76:16: error: cannot convert 'int64_t {aka long long int}' to 'double(double)throw ()' in assignment
infasuratoareconvexa.cpp:79:22: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
             if (y == y0 and x < x0) {

                      ^
infasuratoareconvexa.cpp:85:48: error: invalid operands of types 'int64_t {aka long long int}' and 'double(double)throw ()' to binary 'operator-'
         v[i].assignCoord(v[i].x - x0, v[i].y - y0);

                                                ^
infasuratoareconvexa.cpp:65:51: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("infasuratoareconvexa.in", "r", stdin);

                                                   ^
infasuratoareconvexa.cpp:66:53: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("infasuratoareconvexa.out", "w", stdout);

                                                     ^

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