oj.uz

답안 #971510

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
971510 2024-04-28T17:16:00 Z Sunbae 거래 (IZhO13_trading) C++17
100 / 100
 126 ms 16128 KB 
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
const int N = 3e5 + 5;
tuple<int,int,int> v[N];
ll mx[N], bit[N];
const ll inf = 1e15;
void upd(int i, ll val){
	for(; i<N; i+=i&-i) bit[i] = max(bit[i], val);
}
ll qry(int i){
	ll res = -inf; for(; i; i-=i&-i) res = max(res, bit[i]); return res;
}
signed main(){
	int n, m; scanf("%d %d", &n, &m);
	for(int i = 0, l, r, x; i<m; ++i){
		scanf("%d %d %d", &l, &r, &x);	
		v[i] = make_tuple(r, l, x);
	}
	sort(v, v+m);
	fill(bit, bit+N, -inf);
	for(int i = n, j = m-1; i>=1; --i){
		while(j>=0 && get<0>(v[j]) >= i){
			upd(get<1>(v[j]), get<2>(v[j]) - get<1>(v[j]));
			--j;
		}	
		mx[i] = max(mx[i], i + qry(i));
	}
	for(int i = 1; i<=n; ++i) printf("%lld ", mx[i]);
}

Compilation message

trading.cpp: In function 'int main()':
trading.cpp:15:17: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |  int n, m; scanf("%d %d", &n, &m);
      |            ~~~~~^~~~~~~~~~~~~~~~~
trading.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |   scanf("%d %d %d", &l, &r, &x);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 6748 KB Output is correct
2 Correct 1 ms 6744 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 2 ms 6748 KB Output is correct
5 Correct 2 ms 6608 KB Output is correct
6 Correct 2 ms 6816 KB Output is correct
7 Correct 61 ms 10568 KB Output is correct
8 Correct 67 ms 11344 KB Output is correct
9 Correct 71 ms 11344 KB Output is correct
10 Correct 78 ms 11604 KB Output is correct
11 Correct 77 ms 12372 KB Output is correct
12 Correct 87 ms 12880 KB Output is correct
13 Correct 90 ms 13140 KB Output is correct
14 Correct 94 ms 13100 KB Output is correct
15 Correct 100 ms 14096 KB Output is correct
16 Correct 105 ms 14376 KB Output is correct
17 Correct 106 ms 14368 KB Output is correct
18 Correct 108 ms 14776 KB Output is correct
19 Correct 109 ms 14416 KB Output is correct
20 Correct 126 ms 16128 KB Output is correct