38 lines
718 B
C++
38 lines
718 B
C++
//
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// Created by darian on 18.06.24.
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//
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#include <bits/stdc++.h>
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using namespace std;
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using ll = long long;
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void update_range(int a, int b, ll k, vector<ll> &dif) {
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dif[a] += k;
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if (b != dif.size() - 1) {
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dif[b+1] -= k;
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}
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}
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int main() {
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int n, q; cin >> n >> q;
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vector<ll> input(n);
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vector<ll> difference;
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for (auto &e: input){
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cin >> e;
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if (difference.size()) difference.push_back(e - input.back());
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else difference.push_back(e);
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}
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for (int i{}; i < q; i++) {
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int t; cin >> t;
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if (t == 1) {
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int a, b; ll u; cin >> a >> b >> u;
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a--; b--;
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update_range(a, b, u, difference);
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}
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}
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} |