Compilare: main.cpp: In function 'int main()': main.cpp:9:9: warning: unused variable 'p' [-Wunused-variable] int p=1,n,m,l,j,i,suma=0; ^ main.cpp:10:10: warning: unused variable 'c' [-Wunused-variable] char c; ^ main.cpp:11:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d %d\n",&n,&m,&l); ^ main.cpp:12:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%s",s); ^ main.cpp:32:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%s",s); ^