Compilare: main.cpp: In function 'int main()': main.cpp:25:133: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((i != n && v[i][pointer[i]] < v[i+1][pointer[i+1]]) || (i != 1 && v[i][pointer[i]] < v[i-1][pointer[i-1]]) && pointer[i] != v[i].size()){ ~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:25:119: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if((i != n && v[i][pointer[i]] < v[i+1][pointer[i+1]]) || (i != 1 && v[i][pointer[i]] < v[i-1][pointer[i-1]]) && pointer[i] != v[i].size()){ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:37:1: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=nr;i++) ^~~ main.cpp:39:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' return 0; ^~~~~~