oj.uz

Submission #21856

# Submission time Handle Problem Language Result Execution time Memory
21856 2017-04-26T13:19:43 Z ulna Trading (IZhO13_trading) C++11
100 / 100
 216 ms 4364 KB 
#include <bits/stdc++.h>
using namespace std;

// why am I so weak

int n, m;

int dat[600055];

void update(int l, int r, int val) {
	l += n, r += n;

	for (; l < r; l >>= 1, r >>= 1) {
		if (l & 1) {
			dat[l] = max(dat[l], val);
			l++;
		}
		if (r & 1) {
			r--;
			dat[r] = max(dat[r], val);
		}
	}
}
int query(int id) {
	int res = -INT_MAX;

	for (id += n; id > 0; id >>= 1) {
		res = max(res, dat[id]);
	}

	return res;
}
int main() {
	scanf("%d %d", &n, &m);

	for (int i = 0; i < n + n; i++) {
		dat[i] = -INT_MAX;
	}

	while (m--) {
		int x, y, z;
		scanf("%d %d %d", &x, &y, &z);
		x--;

		update(x, y, z - x);
	}

	for (int i = 0; i < n; i++) {
		if (i) printf(" ");

		int res = query(i);

		if (res == -INT_MAX) res = 0;
		else res += i;

		printf("%d", res);
	}

	puts("");

	return 0;
}

Compilation message

trading.cpp: In function 'int main()':
trading.cpp:34:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &m);
                        ^
trading.cpp:42:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d", &x, &y, &z);
                                ^

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4364 KB Output is correct
2 Correct 0 ms 4364 KB Output is correct
3 Correct 0 ms 4364 KB Output is correct
4 Correct 0 ms 4364 KB Output is correct
5 Correct 0 ms 4364 KB Output is correct
6 Correct 0 ms 4364 KB Output is correct
7 Correct 103 ms 4364 KB Output is correct
8 Correct 109 ms 4364 KB Output is correct
9 Correct 129 ms 4364 KB Output is correct
10 Correct 119 ms 4364 KB Output is correct
11 Correct 149 ms 4364 KB Output is correct
12 Correct 146 ms 4364 KB Output is correct
13 Correct 159 ms 4364 KB Output is correct
14 Correct 159 ms 4364 KB Output is correct
15 Correct 186 ms 4364 KB Output is correct
16 Correct 183 ms 4364 KB Output is correct
17 Correct 179 ms 4364 KB Output is correct
18 Correct 166 ms 4364 KB Output is correct
19 Correct 169 ms 4364 KB Output is correct
20 Correct 216 ms 4364 KB Output is correct