func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, p;   int sum[200000];   int main() {     scanf( %d %d , &n, &p);     for (int i = 1; i <= n; ++i) {       scanf( %d , &sum[i]);       sum[i] = (sum[i - 1] + sum[i]) % p;     }     int ans = 0;     int l, r;     for (int i = 1; i < n; ++i) {       l = sum[i];       r = sum[n] - sum[i];       if (r < 0) r += p;       if (l + r > ans) ans = l + r;     }     printf( %d n , ans);     return 0;   }   