Compilare: user.cpp: In function ‘int main()’: user.cpp:153:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < solutie[i].linii.size(); j++) ^ user.cpp:115:9: warning: unused variable ‘nrC’ [-Wunused-variable] int nrC; ^ user.cpp:116:9: warning: unused variable ‘y’ [-Wunused-variable] int y; ^ user.cpp:44:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &n); ^ user.cpp:48:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &v[i]); ^