Submission #1284869

#	Time	Username	Problem	Language	Result	Execution time	Memory
1284869		zxzuam	Monkey and Apple-trees (IZhO12_apple)	C++20	0 / 100	145 ms	327680 KiB

apple

#include <bits/stdc++.h>
#define int long long
using ll = long long;
using namespace std;
constexpr int maxn = 1E7 + 61;
vector <int> t(maxn * 4), f(maxn * 4);
int C;
void push(int v, int tl, int tr) {
    if(f[v]) {
        t[v] = (tr - tl + 1);
        if(tr > tl) {
            f[v * 2] = f[v * 2 + 1] = f[v];
        }
        f[v] = 0;
    }
}
void upd(int v, int tl, int tr, int l, int r) {
    push(v, tl, tr);
    if(l > tr || tl > r) return;
    if(l <= tl && tr <= r) {
        f[v] = 1;
        push(v, tl, tr);
        return;
    }
    int tm = (tl + tr) / 2;
    upd(v * 2, tl, tm, l, r);
    upd(v * 2 + 1, tm + 1, tr, l, r);
    t[v] = t[v * 2] + t[v * 2 + 1];
}
int get(int v, int tl, int tr, int l, int r) {
    push(v, tl, tr);
    if(l > tr || tl > r) return 0;
    if(l <= tl && tr <= r) return t[v];
    int tm = (tl + tr) / 2;
    return get(v * 2, tl, tm, l, r) + get(v * 2 + 1, tm + 1, tr, l, r);
}
void orz() {
    int N;
    cin >> N;
    vector <int> D(N + 1), X(N + 1), Y(N + 1);
    for(int i = 1; i <= N; i++) {
        cin >> D[i] >> X[i] >> Y[i];
    }
    for(int i = 1; i <= N; i++) {
        X[i] += C;
        Y[i] += C;
        if(D[i] == 2) {
            upd(1, 1, maxn, X[i], Y[i]);
        }
        else{
            C = get(1, 1, maxn, X[i], Y[i]);
            cout << C << '\n';
        }
    }
}
int32_t main() {
    ios_base::sync_with_stdio(false), cin.tie(nullptr);
    freopen("f.in", "r", stdin);
    freopen("f.out", "w", stdout);
    int T = 1;
    //cin >> T;
    while(T--) orz();
    return 0;
}

Compilation message (stderr)

apple.cpp: In function 'int32_t main()':
apple.cpp:58:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   58 |     freopen("f.in", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~
apple.cpp:59:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   59 |     freopen("f.out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100