제출 #572104

#제출 시각아이디문제언어결과실행 시간메모리
572104hgmhc원숭이와 사과 나무 (IZhO12_apple)C++17
100 / 100
386 ms207792 KiB
#include <bits/stdc++.h> using namespace std; using ii = pair<int,int>; using ll = long long; #define rep(i,a,b) for (auto i = (a); i <= (b); ++i) #define all(x) (x).begin(), (x).end() #define siz(x) int((x).size()) #define Mup(x,y) x = max(x,y) #define mup(x,y) x = min(x,y) struct node { int v; bool z; int s, e; node *l, *r; node(int s, int e): v(0), z(0), s(s), e(e) {} void propagate() { int m = (s+e)/2; if (!l) l = new node(s,m); if (!r) r = new node(m+1,e); if (z) { l->v = m-s+1; r->v = e-m; l->z = r->z = 1; z = 0; } } void update(int a, int b) { if (a <= s and e <= b) { v = e-s+1, z = 1; return; } if (b < s or e < a) return; propagate(); l->update(a,b), r->update(a,b); v = (l?l->v:0) + (r?r->v:0); } int query(int a, int b) { if (a <= s and e <= b) return v; if (b < s or e < a) return 0; propagate(); return (l?l->query(a,b):0) + (r?r->query(a,b):0); } }; int m; int main() { node *ds = new node(1,int(1e9)); ll c = 0; scanf("%d", &m); while (m--) { int d, x, y; scanf("%d %d %d", &d, &x, &y); if (d == 1) { c = ds->query(x+c,y+c); printf("%lld\n", c); } else { ds->update(x+c,y+c); } } }

컴파일 시 표준 에러 (stderr) 메시지

apple.cpp: In function 'int main()':
apple.cpp:51:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |     scanf("%d", &m); while (m--)
      |     ~~~~~^~~~~~~~~~
apple.cpp:54:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |         scanf("%d %d %d", &d, &x, &y);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
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