Eroare de compilare: user.c:7:1: error: unknown type name ‘using’ using namespace std; ^ user.c:7:17: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘std’ using namespace std; ^ user.c:9:11: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘s’ char huge s[maxn]; ^ user.c:10:15: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘index’ long int huge index[maxn >> 1]; ^ user.c: In function ‘main’: user.c:24:5: error: ‘s’ undeclared (first use in this function) s[N++] = ch; ^ user.c:24:5: note: each undeclared identifier is reported only once for each function it appears in user.c:33:9: error: ‘index’ undeclared (first use in this function) index[M++] = k; ^ user.c:44:24: warning: left-hand operand of comma expression has no effect [-Wunused-value] i1 = index[k], i2 = index[k+1]; ^ user.c:19:8: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen(fileout, "w", stdout); ^