func_code_string: #include <bits/stdc++.h>   using namespace std;   long long a[100009], b[100009], s[100009];   signed main() {     ios_base::sync_with_stdio(false), cin.tie(NULL);     long long i, j, n, m, c;     cin >> n >> m >> c;     for (i = 1; i <= n; i++) cin >> a[i];     for (i = 1; i <= m; i++) cin >> b[i], s[i] = (b[i] + s[i - 1]);     long long x = n - m;     for (i = 1; i <= n; i++) {       long long t = min(i, m);       long long g = min(i, min(n + 1 - i, x + 1));       long long y = s[t] - s[max(t - g, 0ll)];       a[i] = (a[i] + y) % c;     }     for (i = 1; i <= n; i++) cout << a[i] <<    ;   }   