Compilare: user.cpp: In function ‘int main()’: user.cpp:81:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(g=0; g<cul[i].size(); g++) ^ user.cpp:44:16: warning: unused variable ‘t’ [-Wunused-variable] int n, m, k, t, xi, xf, yi, yf, i, j, maxs, c, g, val; ^ user.cpp:45:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &n, &m, &k); ^ user.cpp:57:54: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d%d%d", &xi, &yi, &xf, &yf, &c); ^