Compilare: user.cpp: In function ‘int main()’: user.cpp:94:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(i=1;i<=k;i++) ^~~ user.cpp:96:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ cout<<s; ^~~~ user.cpp:58:23: warning: unused variable ‘ind’ [-Wunused-variable] { int l,i,xmin,ymin,ind,s=0,ymax; ^~~ user.cpp:61:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&l); ^ user.cpp:62:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&v2[1].x,&v2[1].y); ^ user.cpp:66:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&v2[i].x,&v2[i].y); ^ user.cpp:58:13: warning: ‘xmin’ may be used uninitialized in this function [-Wmaybe-uninitialized] { int l,i,xmin,ymin,ind,s=0,ymax; ^~~~