Eroare de compilare: main.cpp: In function 'int main()': main.cpp:20:36: error: invalid types 'int[int]' for array subscript frecv[i][s[i] - 'a' + 1]++; ^ main.cpp:13:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("domenii.in", "r", stdin); ^ main.cpp:14:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("domenii.out", "w", stdout); ^ main.cpp:16:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %s", &N, (s + 1)); ^ Non zero exit status: 1