Compilare: user.cpp: In function ‘int main()’: user.cpp:25:8: warning: this ‘else’ clause does not guard... [-Wmisleading-indentation] else ^~~~ user.cpp:27:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘else’ if(fr[a[0][i]]==3) ^~ user.cpp:49:12: warning: this ‘else’ clause does not guard... [-Wmisleading-indentation] else ^~~~ user.cpp:51:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘else’ nrl++; ^~~ user.cpp:57:12: warning: this ‘else’ clause does not guard... [-Wmisleading-indentation] else ^~~~ user.cpp:59:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘else’ nrc++; ^~~ user.cpp:64:15: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(nrc=2) ^