Compilare: user.cpp: In function ‘int main()’: user.cpp:54:5: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation] if(s<smin) ^~ user.cpp:56:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘if’ for(i1=1;i1<=n;i1++) ^~~ user.cpp:29:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&m); ^ user.cpp:32:21: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] {fscanf(f,"%c ",&df); ^ user.cpp:34:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] {fscanf(f,"%c",&h[i][j]); ^