Eroare de compilare: user.cpp:1:21: warning: extra tokens at end of #include directive [enabled by default] #include<stdio.h> const int BASE = 2e5 + 5; char s[BASE]; int dif[BASE * 2]; int main() { freopen("fsb.in", "r", stdin); freopen("fsb.out", "w", stdout); int d, zero, unu, cnt, i, n; scanf("%d\n%s", &n, s + 1); zero = unu = cnt = 0; dif[BASE] = 1; for(i = 1; i <= n; ++ i) { if(s[i] == '0') ++ zero; else ++ unu; d = unu - zero; cnt += dif[d + BASE]; ++ dif[d + BASE]; } printf("%d\n", cnt); return 0; } ^ /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/crt1.o: In function `_start': (.text+0x18): undefined reference to `main' collect2: error: ld returned 1 exit status