Compilare: main.cpp: In function 'int main()': main.cpp:39:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] cin >> s + 1; ~~^~~ main.cpp:36:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("triopalindrom.in","r",stdin); ^ main.cpp:37:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("triopalindrom.out","w",stdout); ^