Borderou de evaluare (job #783681)

Compilare: main.cpp: In function 'int main()': main.cpp:21:24: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 21 | else if(c>='a' && c<='z' || c>='A' && c<='Z') | ~~~~~~~^~~~~~~~~ main.cpp:10:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 10 | freopen("numchar.in","r",stdin) ; | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:11:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 11 | freopen ("numchar.out","w",stdout) ; | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:13:11: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 13 | scanf ("%d",& n); | ~~~~~~^~~~~~~~~~ main.cpp:18:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 18 | scanf("%c",&c); | ~~~~~^~~~~~~~~