Compilare: main.cpp: In function 'int main()': main.cpp:60:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int u=1;u<=cuvant.size();u++) ~^~~~~~~~~~~~~~~ main.cpp:61:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int t=u;t<=cuvant.size();t++) ~^~~~~~~~~~~~~~~ main.cpp:68:28: warning: array subscript has type 'char' [-Wchar-subscripts] coord[mat[i][j]]={i,j}; ^ main.cpp:76:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=cuvant.length();i++) ~^~~~~~~~~~~~~~~~~ main.cpp:78:38: warning: array subscript has type 'char' [-Wchar-subscripts] q.push({coord[cuvant[i-1]].x,coord[cuvant[i-1]].y}); ^ main.cpp:78:59: warning: array subscript has type 'char' [-Wchar-subscripts] q.push({coord[cuvant[i-1]].x,coord[cuvant[i-1]].y}); ^ main.cpp:82:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int l=2;l<=cuvant.size();l++) ~^~~~~~~~~~~~~~~ main.cpp:84:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1;i+l-1<=cuvant.length();i++) ~~~~~^~~~~~~~~~~~~~~~~