Compilare: user.cpp: In function ‘void DEI(int, int)’: user.cpp:38:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < L[Left].size(); j++) ^ user.cpp:48:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < L[Left].size(); j++) ^ user.cpp:123:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = 0; k < L[i].size(); k++) ^ user.cpp:92:9: warning: unused variable ‘i’ [-Wunused-variable] int i = 1, j = 1; ^ user.cpp:92:16: warning: unused variable ‘j’ [-Wunused-variable] int i = 1, j = 1; ^ user.cpp:93:9: warning: unused variable ‘last’ [-Wunused-variable] int last = 0, lasti = 0; ^ user.cpp:93:19: warning: unused variable ‘lasti’ [-Wunused-variable] int last = 0, lasti = 0; ^ user.cpp:94:9: warning: unused variable ‘ans’ [-Wunused-variable] int ans = Max * N; ^