Compilare: main.cpp: In function 'int main()': main.cpp:6:14: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[2000005]' [-Wformat=] scanf("%s",&s); n=strlen(s); f[0+1000000]++; long long res=0; ^ main.cpp:5:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("paranteze2.in","r",stdin); freopen("paranteze2.out","w",stdout); ^ main.cpp:5:73: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("paranteze2.in","r",stdin); freopen("paranteze2.out","w",stdout); ^ main.cpp:6:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s",&s); n=strlen(s); f[0+1000000]++; long long res=0; ^