Compilare: main.cpp: In function 'int main()': main.cpp:81:22: warning: unused variable 'in' [-Wunused-variable] int p, i, j, n, g, in, sf, ll ,cc, st, dr, mij; ^~ main.cpp:81:26: warning: unused variable 'sf' [-Wunused-variable] int p, i, j, n, g, in, sf, ll ,cc, st, dr, mij; ^~ main.cpp:81:30: warning: unused variable 'll' [-Wunused-variable] int p, i, j, n, g, in, sf, ll ,cc, st, dr, mij; ^~ main.cpp:81:34: warning: unused variable 'cc' [-Wunused-variable] int p, i, j, n, g, in, sf, ll ,cc, st, dr, mij; ^~ main.cpp:84:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d",&p); ^ main.cpp:86:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d",&n,&g); ^ main.cpp:89:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d",&a[i][j]); ^ main.cpp:96:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d",&n); ^ main.cpp:102:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d",&a[i][j]); ^