Compilare: main.cpp: In function 'void solve()': main.cpp:21:9: warning: unused variable 'i' [-Wunused-variable] int i; ^ main.cpp:58:40: warning: 'P123' may be used uninitialized in this function [-Wmaybe-uninitialized] P = P1 + P2 + P3 - P12 - P13 - P23 + P123; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~ main.cpp:58:34: warning: 'P23' may be used uninitialized in this function [-Wmaybe-uninitialized] P = P1 + P2 + P3 - P12 - P13 - P23 + P123; ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ main.cpp:58:28: warning: 'P13' may be used uninitialized in this function [-Wmaybe-uninitialized] P = P1 + P2 + P3 - P12 - P13 - P23 + P123; ~~~~~~~~~~~~~~~~~~~^~~~~ main.cpp:58:22: warning: 'P12' may be used uninitialized in this function [-Wmaybe-uninitialized] P = P1 + P2 + P3 - P12 - P13 - P23 + P123; ~~~~~~~~~~~~~^~~~~ main.cpp:39:40: warning: 'A123' may be used uninitialized in this function [-Wmaybe-uninitialized] A = A1 + A2 + A3 - A12 - A13 - A23 + A123; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~ main.cpp:39:34: warning: 'A23' may be used uninitialized in this function [-Wmaybe-uninitialized] A = A1 + A2 + A3 - A12 - A13 - A23 + A123; ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~ main.cpp:39:28: warning: 'A13' may be used uninitialized in this function [-Wmaybe-uninitialized] A = A1 + A2 + A3 - A12 - A13 - A23 + A123; ~~~~~~~~~~~~~~~~~~~^~~~~ main.cpp:39:22: warning: 'A12' may be used uninitialized in this function [-Wmaybe-uninitialized] A = A1 + A2 + A3 - A12 - A13 - A23 + A123; ~~~~~~~~~~~~~^~~~~