Compilare: main.cpp: In function 'int main()': main.cpp:65:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int u=1;u<=cuvant.length();u++) ~^~~~~~~~~~~~~~~~~ main.cpp:66:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int t=u;t<=cuvant.length();t++) ~^~~~~~~~~~~~~~~~~ main.cpp:74:30: warning: array subscript has type 'char' [-Wchar-subscripts] coord[a[i][j]]={i,j}; ^ main.cpp:83:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=cuvant.length();i++) ~^~~~~~~~~~~~~~~~~ main.cpp:85:34: warning: array subscript has type 'char' [-Wchar-subscripts] q.push({coord[cuvant[i-1]].x,coord[cuvant[i-1]].y}); ^ main.cpp:85:55: warning: array subscript has type 'char' [-Wchar-subscripts] q.push({coord[cuvant[i-1]].x,coord[cuvant[i-1]].y}); ^ main.cpp:89:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int lg=2;lg<=cuvant.length();lg++) ~~^~~~~~~~~~~~~~~~~ main.cpp:91:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i+lg-1<=cuvant.length();i++) ~~~~~~^~~~~~~~~~~~~~~~~