Compilare: main.cpp: In function 'int main()': main.cpp:44:7: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (j=1;j<=i;++j) ^~~ main.cpp:46:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' fprintf(fout, "\n"); ^~~~~~~ main.cpp:9:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &s); ^