Compilare: main.cpp: In function 'int main()': main.cpp:75:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < v.size(); i++) ~~^~~~~~~~~~ main.cpp:36:15: warning: unused variable 'x' [-Wunused-variable] int n, q, x, i, j; ^ main.cpp:33:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("aliniere.in", "r", stdin); ^ main.cpp:34:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("aliniere.out", "w", stdout); ^