func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long M = 1e9 + 7;   const long long mod = 998244353;   mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());   int n, m, k;   vector<int> a;   int f(int off) {     int q = 0;     int left = m - 1;     int at_w = k;     for (int i = off; i < n; i++) {       if (at_w - a[i] >= 0) {         at_w -= a[i];         q++;       } else {         if (left == 0) break;         at_w = k - a[i];         q++;         left--;       }     }     return q == (n - off);   }   int32_t main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     cin >> n >> m >> k;     a.resize(n);     {       for (auto &_re : a) cin >> _re;     };     int l = 0, r = n, mid;     int ans = 0;     while (l <= r) {       mid = l + r >> 1;       if (f(mid)) {         ans = mid;         r = mid - 1;       } else         l = mid + 1;     }     cout << n - ans <<   n ;   }   