Compilare: main.cpp: In function 'void lee()': main.cpp:27:20: warning: unused variable 'ok' [-Wunused-variable] int ii, jj, k, ok=1, i, j; ^~ main.cpp: In function 'int main()': main.cpp:54:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(j=1;j<=n;j++) ^~~ main.cpp:56:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' coada.push(make_pair(x1, y1)); ^~~~~