Compilare: main.cpp: In function 'void Read()': main.cpp:59:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for( int i = V.size() - 1; i >= 0; --i ) ^~~ main.cpp:62:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for( int i = 1; i <= N; ++i ) ^~~ main.cpp:49:9: warning: unused variable 'x1' [-Wunused-variable] int x1, x2, y1 , y2; ^~ main.cpp:49:13: warning: unused variable 'x2' [-Wunused-variable] int x1, x2, y1 , y2; ^~ main.cpp:49:17: warning: unused variable 'y1' [-Wunused-variable] int x1, x2, y1 , y2; ^~ main.cpp:49:22: warning: unused variable 'y2' [-Wunused-variable] int x1, x2, y1 , y2; ^~