Compilare: main.cpp: In function 'int main()': main.cpp:57:12: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if(x < n && (ans[i - 1] + ans[i - 2] >= a[x]) || k - i == n - x) ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:21:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("triunghi5.inp","r",stdin); ^ main.cpp:22:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("triunghi5.out","w",stdout); ^