Compilare: main.cpp: In function 'int main()': main.cpp:88:28: warning: suggest parentheses around '-' inside '>>' [-Wparentheses] mid = lo + (hi - lo >> 1); ~~~^~~~ main.cpp:52:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &m); ^ main.cpp:55:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", ans[0] + i); ^ main.cpp:85:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^