Submission #791098

#TimeUsernameProblemLanguageResultExecution timeMemory
791098max0000561Ants and Sugar (JOI22_sugar)C++17
0 / 100
135 ms19924 KiB
#include<bits/stdc++.h>
#define int long long
#define sz(a) (int)a.size()

using namespace std;

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int q, L;
    cin >> q >> L;
    vector<int> cnt(500500);
    vector<int> mx(500500);
    int ans = 0;
    while (q--) {
        int t, x, a;
        cin >> t >> x >> a;
        x += 11;
        if (x % 2 == 1) {
            ans -= min(cnt[x], cnt[x + 1]);
            cnt[x] += a;
            ans += min(cnt[x], cnt[x + 1]);
        }
        else {
            ans -= min(cnt[x], cnt[x - 1]);
            cnt[x] += a;
            ans += min(cnt[x], cnt[x - 1]);
        }
        if (x % 2 == 1) {
            ans -= min(mx[x + 3], mx[x + 4]);
            ans -= min(mx[x + 1], mx[x + 2]);
            ans -= min(mx[x - 1], mx[x]);
            ans -= min(mx[x - 3], mx[x - 1]);

            mx[x] = max(0ll, cnt[x] - cnt[x + 1]);
            mx[x + 1] = max(0ll, cnt[x + 1] - cnt[x]);

            ans += min(mx[x + 3], mx[x + 4]);
            ans += min(mx[x + 1], mx[x + 2]);
            ans += min(mx[x - 1], mx[x]);
            ans += min(mx[x - 3], mx[x - 1]);
        }
        else {
            ans -= min(mx[x + 2], mx[x + 3]);
            ans -= min(mx[x], mx[x + 1]);
            ans -= min(mx[x - 2], mx[x - 1]);
            ans -= min(mx[x - 4], mx[x - 2]);

            mx[x] = max(0ll, cnt[x] - cnt[x - 1]);
            mx[x - 1] = max(0ll, cnt[x - 1] - cnt[x]);

            ans += min(mx[x + 2], mx[x + 3]);
            ans += min(mx[x], mx[x + 1]);
            ans += min(mx[x - 2], mx[x - 1]);
            ans += min(mx[x - 4], mx[x - 2]);
        }
        cout << ans << '\n';
    }
}
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