Eroare de compilare: main.cpp: In function 'int ans(std::__cxx11::string, std::__cxx11::string)': main.cpp:14:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<a.sz;++i) ^ main.cpp:15:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<b.sz;++j) ^ main.cpp:19:5: error: 'cmlsc2' was not declared in this scope cmlsc2[i][j]=max(i?cmlsc[i-1][j]:0,j?cmlsc[i][j-1]:0); ^~~~~~ main.cpp:20:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] return (a.sz+b.sz-2*cmlsc[a.sz-1][b.sz-1])<=k; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ main.cpp: In function 'int main()': main.cpp:49:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<cuv.sz;++i) ^ main.cpp:53:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<cuv.sz;++i) ^ main.cpp:25:30: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("lant.in","r",stdin); ^ main.cpp:26:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("lant.out","w",stdout); ^ Non zero exit status: 1