Compilare: user.cpp: In function ‘int main()’: user.cpp:113:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < solutie[i].linii.size(); j++) ^ user.cpp:42:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &n); ^ user.cpp:46:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &v[i]); ^