Compilare: user.cpp: In function ‘int main()’: user.cpp:9:75: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long unsigned int’ [-Wformat=] scanf("%d", &n); f1 = 1, f2 = 2; if (n < 3) {printf("%d", (n==1?f1:f2));return 0;} ^ user.cpp:11:20: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long unsigned int’ [-Wformat=] printf("%d", f3); ^ user.cpp:12:28: warning: format ‘%u’ expects argument of type ‘unsigned int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("\n%u",(1LL<<32)); ^ user.cpp:7:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("nunta.in","r",stdin); ^ user.cpp:8:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("nunta.out","w",stdout); ^ user.cpp:9:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); f1 = 1, f2 = 2; if (n < 3) {printf("%d", (n==1?f1:f2));return 0;} ^