Compilare: user.cpp: In function ‘void adauga(int, int)’: user.cpp:15:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0;i <v[hashKey].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:44:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < v[i].size(); j++) ^ user.cpp:50:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < solutie.size(); i++) ^ user.cpp:29:9: warning: unused variable ‘a1’ [-Wunused-variable] int a1, a2, a3, a4, a5; ^ user.cpp:29:13: warning: unused variable ‘a2’ [-Wunused-variable] int a1, a2, a3, a4, a5; ^ user.cpp:29:17: warning: unused variable ‘a3’ [-Wunused-variable] int a1, a2, a3, a4, a5; ^ user.cpp:29:21: warning: unused variable ‘a4’ [-Wunused-variable] int a1, a2, a3, a4, a5; ^ user.cpp:29:25: warning: unused variable ‘a5’ [-Wunused-variable] int a1, a2, a3, a4, a5; ^ user.cpp:30:21: warning: unused variable ‘k’ [-Wunused-variable] int n, m, i, j, k, caz, number, sol = 0,timp, bani; ^ user.cpp:30:24: warning: unused variable ‘caz’ [-Wunused-variable] int n, m, i, j, k, caz, number, sol = 0,timp, bani; ^ user.cpp:30:29: warning: unused variable ‘number’ [-Wunused-variable] int n, m, i, j, k, caz, number, sol = 0,timp, bani; ^ user.cpp:30:37: warning: unused variable ‘sol’ [-Wunused-variable] int n, m, i, j, k, caz, number, sol = 0,timp, bani; ^