Compilare: main.cpp: In function 'int main()': main.cpp:29:13: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.cpp:35:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' inc=1; ^~~ main.cpp:37:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(inc<=sf&&ok==-1) ~~^~~~ main.cpp:42:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((coada[inc]*10+2)%p==n) ~~~~~~~~~~~~~~~~~~~^~~ main.cpp:50:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((coada[inc]*10+3)%p==n&&ok==-1) ~~~~~~~~~~~~~~~~~~~^~~ main.cpp:50:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((coada[inc]*10+3)%p==n&&ok==-1) ~~^~~~ main.cpp:58:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((coada[inc]*10+5)%p==n&&ok==-1) ~~~~~~~~~~~~~~~~~~~^~~ main.cpp:58:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((coada[inc]*10+5)%p==n&&ok==-1) ~~^~~~ main.cpp:66:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((coada[inc]*10+7)%p==n&&ok==-1) ~~~~~~~~~~~~~~~~~~~^~~ main.cpp:66:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((coada[inc]*10+7)%p==n&&ok==-1) ~~^~~~ main.cpp:11:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cifre4.in","r",stdin); ^ main.cpp:12:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cifre4.out","w",stdout); ^ main.cpp:13:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ main.cpp:16:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&p); ^