답안 #853556

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
853556	2023-09-24T15:43:34 Z	Kubogi	원숭이와 사과 나무 (IZhO12_apple)	C++17	100 / 100	338 ms	207744 KB

apple

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define fileio(name) if (fopen(name".inp", "r")) freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout)

const int maxn = 1e9;

struct node {
    int val, lazy = 0;
    node *L, *R;
};

void pushdown(node *x, int l, int r) {
    if (x->lazy == 0) return;
    x->lazy = 0;

    if (x->L == nullptr) x->L = new node();
    if (x->R == nullptr) x->R = new node();

    int mid = (l+r)>>1;
    x->L->val = mid-l+1;
    x->L->lazy = 1;
    x->R->val = r-mid;
    x->R->lazy = 1;
}

void update(node *x, int l, int r, int a, int b) {
    if (r < a || b < l) return;
    if (a <= l && r <= b) {
        x->val = r-l+1;
        x->lazy = 1;
        return;
    }
    pushdown(x, l, r);

    int mid = (l+r)>>1;
    if (x->L == nullptr) x->L = new node();
    if (x->R == nullptr) x->R = new node();

    update(x->L, l, mid, a, b);
    update(x->R, mid+1, r, a, b);

    x->val = x->L->val + x->R->val;
}

int get(node *x, int l, int r, int a, int b) {
    if (r < a || b < l) return 0;
    if (a <= l && r <= b) return x->val;
    pushdown(x, l, r);

    int mid = (l+r)>>1;
    if (x->L == nullptr) x->L = new node();
    if (x->R == nullptr) x->R = new node();

    return get(x->L, l, mid, a, b) + get(x->R, mid+1, r, a, b);
}

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    fileio("");
    // freopen("debug.txt", "w", stderr);

    int m, c = 0; cin >> m;
    node *root = new node();
    while (m--) {
        int d, x, y;
        cin >> d >> x >> y;
        x += c; y += c;

        if (d == 2) {
            update(root, 1, maxn, x, y);
        } else {
            cout << (c = get(root, 1, maxn, x, y)) << "\n";
        }
    }

    return 0 ^ 0;
}

Compilation message

apple.cpp: In function 'int32_t main()':
apple.cpp:5:57: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define fileio(name) if (fopen(name".inp", "r")) freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout)
      |                                                  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
apple.cpp:62:5: note: in expansion of macro 'fileio'
   62 |     fileio("");
      |     ^~~~~~
apple.cpp:5:90: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define fileio(name) if (fopen(name".inp", "r")) freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout)
      |                                                                                   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
apple.cpp:62:5: note: in expansion of macro 'fileio'
   62 |     fileio("");
      |     ^~~~~~

Subtask #1

100.0 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	544 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	9 ms	4952 KB	Output is correct
5	Correct	11 ms	6232 KB	Output is correct
6	Correct	11 ms	5640 KB	Output is correct
7	Correct	11 ms	5976 KB	Output is correct
8	Correct	96 ms	43884 KB	Output is correct
9	Correct	198 ms	75832 KB	Output is correct
10	Correct	200 ms	83748 KB	Output is correct
11	Correct	214 ms	90152 KB	Output is correct
12	Correct	207 ms	92660 KB	Output is correct
13	Correct	184 ms	108040 KB	Output is correct
14	Correct	188 ms	111116 KB	Output is correct
15	Correct	321 ms	202004 KB	Output is correct
16	Correct	338 ms	203344 KB	Output is correct
17	Correct	189 ms	114768 KB	Output is correct
18	Correct	188 ms	114772 KB	Output is correct
19	Correct	338 ms	207696 KB	Output is correct
20	Correct	327 ms	207744 KB	Output is correct