tutorial4.c:1:1: warning: return type defaults to 'int' [-Wimplicit-int]
1 | solve(){int a=f(0);Report(f(1)-a,a);}
| ^~~~~
tutorial4.c: In function 'solve':
tutorial4.c:1:15: warning: implicit declaration of function 'f' [-Wimplicit-function-declaration]
1 | solve(){int a=f(0);Report(f(1)-a,a);}
| ^
tutorial4.c:1:20: warning: implicit declaration of function 'Report' [-Wimplicit-function-declaration]
1 | solve(){int a=f(0);Report(f(1)-a,a);}
| ^~~~~~
tutorial4.c:1:37: warning: control reaches end of non-void function [-Wreturn-type]
1 | solve(){int a=f(0);Report(f(1)-a,a);}
| ^