Eroare de compilare: main.cpp: In function 'int main()': main.cpp:14:13: error: 'gets' was not declared in this scope gets(input); ^ main.cpp:18:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(!st.empty() && (st.size()+n-i-1)>=m && st.top()<input[i]) ~~~~~~~~~~~~~~~~~^~~ main.cpp:10:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("alibaba.in","r",stdin); ^ main.cpp:11:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("alibaba.out","w",stdout); ^ main.cpp:13:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n",&n,&m); ^ Non zero exit status: 1