Eroare de compilare: main.cpp:18:1: error: 'mt19937' does not name a type mt19937 rng(228); ^~~~~~~ main.cpp: In function 'std::vector<int> solve(std::vector<int>)': main.cpp:21:31: error: 'rng' was not declared in this scope shuffle(a.begin(), a.end(), rng); ^~~ main.cpp: In function 'std::vector<int> read()': main.cpp:10:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ main.cpp:13:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i]); ^ main.cpp: In function 'int main()': main.cpp:46:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("algsort.in", "r", stdin); ^ main.cpp:47:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("algsort.out", "w", stdout); ^ Non zero exit status: 1