func_code_string: #include <bits/stdc++.h>   using namespace std;   inline int read() {     int a = 0;     char c = getchar();     bool f = 0;     while (!isdigit(c)) {       if (c ==  - ) f = 1;       c = getchar();     }     while (isdigit(c)) {       a = (a << 3) + (a << 1) + (c ^  0 );       c = getchar();     }     return f ? -a : a;   }   int point[51][3], N;   void solve(int l, int r, int dir) {     if (l == r)       printf( (%01d*abs(((1-abs((t-%d)))+abs((abs((t-%d))-1))))) ,              point[l][dir] / 2, l, l);     else {       putchar( ( );       solve(l, l + r >> 1, dir);       putchar( + );       solve((l + r >> 1) + 1, r, dir);       putchar( ) );     }   }   int main() {     N = read();     for (int i = 1; i <= N; ++i) {       point[i][0] = read();       point[i][1] = read();       point[i][2] = read();     }     solve(1, N, 0);     putchar(  n );     solve(1, N, 1);     return 0;   }   