Compilare: main.cpp: In function 'void afis()': main.cpp:16:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=2;i<=n;++i) ^~~ main.cpp:18:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' fprintf(fout,"\n"); ^~~~~~~ main.cpp: In function 'void citire()': main.cpp:49:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d",&n,&m); ^ main.cpp:54:40: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d %d",&x,&y,&c); ^