Compilare: main.cpp: In function 'int main()': main.cpp:15:19: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[100005]' [-Wformat=] scanf("%s", &s); ^ main.cpp:10:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] { freopen("eq4.in", "r",stdin); ^ main.cpp:11:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("eq4.out", "w",stdout); ^ main.cpp:14:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &cer); ^ main.cpp:15:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &s); ^ main.cpp:58:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%lld", &a, &b, &e); ^ main.cpp:34:30: warning: 'nr' may be used uninitialized in this function [-Wmaybe-uninitialized] nr=nr*10+s[i]-'0'; ~~^~~ main.cpp:37:23: warning: 'semn' may be used uninitialized in this function [-Wmaybe-uninitialized] nr*=semn; ~~^~~~~~