Compilare: main.cpp: In function 'int main()': main.cpp:69:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] cin>>matr[i]+1; ~~~~~~~^~ main.cpp:57:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("marceland.in","r",stdin); ^ main.cpp:58:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("marceland.out","w",stdout); ^