Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:39:3: error: expected initializer before ‘long’ long long power, ans; ^ user.cpp:44:8: error: ‘i’ was not declared in this scope for (i = 0; i < k; i++) { ^ user.cpp:49:3: error: ‘i’ was not declared in this scope i = k; ^ user.cpp:50:3: error: ‘power’ was not declared in this scope power = 0; ^ user.cpp:51:3: error: ‘ans’ was not declared in this scope ans = 0; ^ user.cpp: In function ‘char GetChar(FILE*)’: user.cpp:13:34: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer, 1, BUFFSIZE, f); ^