Compilare: main.cpp: In function 'int main()': main.cpp:9:23: warning: unused variable 'str1' [-Wunused-variable] int n, i, p1, s1, str1, p2, s2, str2, st, dr, cost=0, x, y, ok, cost1; ^~~~ main.cpp:9:37: warning: unused variable 'str2' [-Wunused-variable] int n, i, p1, s1, str1, p2, s2, str2, st, dr, cost=0, x, y, ok, cost1; ^~~~ main.cpp:9:43: warning: variable 'st' set but not used [-Wunused-but-set-variable] int n, i, p1, s1, str1, p2, s2, str2, st, dr, cost=0, x, y, ok, cost1; ^~ main.cpp:9:47: warning: variable 'dr' set but not used [-Wunused-but-set-variable] int n, i, p1, s1, str1, p2, s2, str2, st, dr, cost=0, x, y, ok, cost1; ^~ main.cpp:9:59: warning: unused variable 'x' [-Wunused-variable] int n, i, p1, s1, str1, p2, s2, str2, st, dr, cost=0, x, y, ok, cost1; ^ main.cpp:9:62: warning: unused variable 'y' [-Wunused-variable] int n, i, p1, s1, str1, p2, s2, str2, st, dr, cost=0, x, y, ok, cost1; ^ main.cpp:9:65: warning: unused variable 'ok' [-Wunused-variable] int n, i, p1, s1, str1, p2, s2, str2, st, dr, cost=0, x, y, ok, cost1; ^~