Compilare: main.c: In function 'main': main.c:74:21: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if ( x > 1 && f[x] == 0 ) ^~ main.c:76:25: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' f[x] = 1; ^ main.c:28:62: warning: unused variable 'j' [-Wunused-variable] int n, m, l, c, maxx, rooms, s, smaxx, minl, minc, x, i, j; ^ main.c:32:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &n, &m ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~