Compilare: main.cpp: In function 'int main()': main.cpp:22:31: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'char*' [-Wformat=] fscanf(fin,"%d",&c[i][j]); ^ main.cpp:17:15: warning: unused variable 'max' [-Wunused-variable] int n,k,i,j,max=-1,a,b,p,x,y; ^~~ main.cpp:19:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ main.cpp:22:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&c[i][j]); ^ main.cpp:25:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&k); ^ main.cpp:31:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&p); ^