Compilare: main.cpp: In function 'int main()': main.cpp:44:23: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[256]' [-Wformat=] scanf("%s", &s); ^ main.cpp:38:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ecuatii2.in", "r", stdin); ^ main.cpp:39:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ecuatii2.out", "w", stdout); ^ main.cpp:41:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%i", &n); ^ main.cpp:44:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &s); ^