Compilare: main.cpp:1:19: warning: extra tokens at end of #include directive #include <stdio.h>; ^ main.cpp: In function 'int main()': main.cpp:66:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=1;i<=n;i++) ^~~ main.cpp:69:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' bule(n,m,nr,s); ^~~~ main.cpp:60:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&m); ^ main.cpp:63:40: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&a[i][j]); ^