Compilare: main.cpp: In function 'int main()': main.cpp:58:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] fin>>a[i]+1; ~~~~^~ main.cpp:102:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (k=0;k<d[i][j].size();k++){ ~^~~~~~~~~~~~~~~ main.cpp:117:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<d[ii][jj].size();i++) ~^~~~~~~~~~~~~~~~~