Compilare: main.cpp: In function 'int main()': main.cpp:10:13: warning: suggest parentheses around assignment used as truth value [-Wparentheses] { if(p=1);1<=n<=1000000; ^ main.cpp:10:19: warning: comparison of constant '1000000' with boolean expression is always true [-Wbool-compare] { if(p=1);1<=n<=1000000; ~~~~^~~~~~~~~ main.cpp:10:16: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses] { if(p=1);1<=n<=1000000; ~^~~ main.cpp:10:19: warning: statement has no effect [-Wunused-value] { if(p=1);1<=n<=1000000; ~~~~^~~~~~~~~ main.cpp:16:12: warning: suggest parentheses around assignment used as truth value [-Wparentheses] if(p=2); 2<= n<= 1000000; ^ main.cpp:16:6: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(p=2); 2<= n<= 1000000; ^~ main.cpp:16:15: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if(p=2); 2<= n<= 1000000; ^ main.cpp:16:20: warning: comparison of constant '1000000' with boolean expression is always true [-Wbool-compare] if(p=2); 2<= n<= 1000000; ~~~~~^~~~~~~~~~ main.cpp:16:16: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses] if(p=2); 2<= n<= 1000000; ~^~~~ main.cpp:16:20: warning: statement has no effect [-Wunused-value] if(p=2); 2<= n<= 1000000; ~~~~~^~~~~~~~~~