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https://git.sb/baoshuo/OI-codes.git
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93 lines
1.8 KiB
C++
93 lines
1.8 KiB
C++
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#include <cmath>
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#include <iostream>
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using std::cin;
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using std::cout;
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const char endl = '\n';
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const int N = 50005;
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int n, t, c, a[N], st[N], ed[N], pos[N];
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long long sum[N], add[N];
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void change(int l, int r, int c) {
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int p = pos[l],
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q = pos[r];
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if (p == q) {
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for (int i = l; i <= r; i++) {
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a[i] += c;
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}
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sum[p] += (r - l + 1) * c;
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return;
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}
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for (int i = l; i <= ed[p]; i++) a[i] += c;
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sum[p] += (ed[p] - l + 1) * c;
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for (int i = st[q]; i <= r; i++) a[i] += c;
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sum[q] += (r - st[q] + 1) * c;
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for (int i = p + 1; i <= q - 1; i++) add[i] += c;
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}
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int query(int l, int r, int c) {
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int p = pos[l],
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q = pos[r];
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int res = 0;
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if (p == q) {
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for (int i = l; i <= r; i++) {
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res = (res + a[i] + add[p]) % (c + 1);
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}
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return res;
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}
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for (int i = l; i <= ed[p]; i++) res = (res + a[i] + add[p]) % (c + 1);
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for (int i = st[q]; i <= r; i++) res = (res + a[i] + add[q]) % (c + 1);
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for (int i = p + 1; i <= q - 1; i++) res = (res + sum[i] + 1ll * add[i] * t) % (c + 1);
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return res;
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}
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int main() {
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std::ios::sync_with_stdio(false);
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cin >> n;
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for (int i = 1; i <= n; i++) {
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cin >> a[i];
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}
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t = std::sqrt(n);
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for (c = 1;; c++) {
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st[c] = (c - 1) * t + 1;
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ed[c] = std::min(n, t * c);
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if (t * c >= n) break;
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}
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for (int i = 1; i <= c; i++) {
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for (int j = st[i]; j <= ed[i]; j++) {
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pos[j] = i;
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sum[i] += a[j];
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}
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}
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for (int i = 1, op, l, r, c; i <= n; i++) {
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cin >> op >> l >> r >> c;
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if (op == 0) {
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change(l, r, c);
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} else { // op == 1
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cout << query(l, r, c) % (c + 1) << endl;
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}
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}
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return 0;
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}
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