/in/foo.cc: In function 'int main()':
/in/foo.cc:6:16: warning: comparison of constant '1000000000' with boolean expression is always true [-Wbool-compare]
     while (1<=P<=1000000000);
            ~~~~^~~~~~~~~~~~
/in/foo.cc:6:13: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
     while (1<=P<=1000000000);
            ~^~~
/in/foo.cc:7:6: warning: statement has no effect [-Wunused-value]
     1<=ai;
     ~^~~~
/in/foo.cc:8:7: warning: statement has no effect [-Wunused-value]
     bi<=0;
     ~~^~~
/in/foo.cc:9:10: warning: comparison of constant '1000' with boolean expression is always true [-Wbool-compare]
     0<=ci<=1000;
     ~~~~~^~~~~~
/in/foo.cc:9:6: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
     0<=ci<=1000;
     ~^~~~
/in/foo.cc:9:10: warning: statement has no effect [-Wunused-value]
     0<=ci<=1000;
     ~~~~~^~~~~~
/in/foo.cc:10:6: warning: statement has no effect [-Wunused-value]
     d>=1;
     ~^~~
/in/foo.cc:11:21: warning: format '%d' expects argument of type 'int', but argument 2 has type 'int*' [-Wformat=]
     printf("%d\n",&T);
                     ^
/in/foo.cc:12:43: warning: format '%d' expects argument of type 'int', but argument 2 has type 'int*' [-Wformat=]
     {printf("%d\n%d\n%d\n%d\n",&N,&M,&K,&P);
                                           ^
/in/foo.cc:12:43: warning: format '%d' expects argument of type 'int', but argument 3 has type 'int*' [-Wformat=]
/in/foo.cc:12:43: warning: format '%d' expects argument of type 'int', but argument 4 has type 'int*' [-Wformat=]
/in/foo.cc:12:43: warning: format '%d' expects argument of type 'int', but argument 5 has type 'int*' [-Wformat=]
/in/foo.cc:13:40: warning: format '%d' expects argument of type 'int', but argument 2 has type 'int*' [-Wformat=]
     {printf("%d\n-%d\n%d\n",&ai,&bi,&ci);}}
                                        ^
/in/foo.cc:13:40: warning: format '%d' expects argument of type 'int', but argument 3 has type 'int*' [-Wformat=]
/in/foo.cc:13:40: warning: format '%d' expects argument of type 'int', but argument 4 has type 'int*' [-Wformat=]
/in/foo.cc:16:22: warning: format '%d' expects argument of type 'int', but argument 2 has type 'int*' [-Wformat=]
     printf ("%d\n",&d);
                      ^