func_code_string: #include <bits/stdc++.h>   using namespace std;   const int maxn = 2e5 + 10, inf = 1e9 + 10, P = 53, MOD = 1e9 + 7;   int n, a, b, k, q, seg1[4 * maxn], seg2[4 * maxn];   inline void update(int ind) {     seg1[ind] = seg1[((ind) * (2))] + seg1[(((ind) * (2)) + 1)];     seg2[ind] = seg2[((ind) * (2))] + seg2[(((ind) * (2)) + 1)];   }   void add(int s, int e, int ind, int l, int r, int x) {     if (s >= r || e <= l) return;     if (s >= l && e <= r) {       seg1[ind] += x;       seg2[ind] += x;       seg1[ind] = min(seg1[ind], b);       seg2[ind] = min(seg2[ind], a);       return;     }     int mid = (s + e) / 2;     add(s, mid, ((ind) * (2)), l, r, x);     add(mid, e, (((ind) * (2)) + 1), l, r, x);     update(ind);   }   int query(int type, int s, int e, int ind, int l, int r) {     if (s >= r || e <= l) return 0;     if (s >= l && e <= r) {       if (type == 1)         return seg1[ind];       else         return seg2[ind];     }     int mid = (s + e) / 2;     return query(type, s, mid, ((ind) * (2)), l, r) +            query(type, mid, e, (((ind) * (2)) + 1), l, r);   }   int main() {     scanf( %d%d%d%d%d , &n, &k, &a, &b, &q);     while (q--) {       int type, l, x;       scanf( %d , &type);       if (type == 1) {         scanf( %d%d , &l, &x);         add(0, n, 1, l - 1, l, x);       } else {         scanf( %d , &x);         x--;         printf( %d n , query(1, 0, n, 1, 0, x) + query(2, 0, n, 1, x + k, n));       }     }     return 0;   }   