Submission #97465

# Submission time Handle Problem Language Result Execution time Memory
97465 2019-02-16T10:55:50 Z Kastanda Trading (IZhO13_trading) C++11
100 / 100
293 ms 12764 KB
// I do it for the glory
#include<bits/stdc++.h>
using namespace std;
const int N = 300005;
int n, q, best[N * 4];
void Add(int le, int ri, int st, int id = 1, int l = 0, int r = n)
{
    if (ri <= l || r <= le)
        return ;
    if (le <= l && r <= ri)
    {
        best[id] = max(best[id], st + l - le);
        return ;
    }
    Add(le, ri, st, id + id, l, (l + r) >> 1);
    Add(le, ri, st, id + id + 1, (l + r) >> 1, r);
}
void DFS(int id = 1, int l = 0, int r = n)
{
    if (r - l < 2)
    {
        printf("%d ", max(best[id], 0));
        return ;
    }
    best[id + id] = max(best[id + id], best[id]);
    best[id + id + 1] = max(best[id + id + 1], best[id] + ((l + r) >> 1) - l);
    DFS(id + id, l, (l + r) >> 1);
    DFS(id + id + 1, (l + r) >> 1, r);
}
int main()
{
    scanf("%d%d", &n, &q);
    memset(best, -63, sizeof(best));
    for (; q; q --)
    {
        int l, r, x;
        scanf("%d%d%d", &l, &r, &x);
        Add(l - 1, r, x);
    }
    DFS();
    return 0;
}

Compilation message

trading.cpp: In function 'int main()':
trading.cpp:32:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &q);
     ~~~~~^~~~~~~~~~~~~~~~
trading.cpp:37:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d", &l, &r, &x);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 6 ms 4992 KB Output is correct
3 Correct 6 ms 4980 KB Output is correct
4 Correct 6 ms 4992 KB Output is correct
5 Correct 6 ms 4992 KB Output is correct
6 Correct 8 ms 5120 KB Output is correct
7 Correct 167 ms 8788 KB Output is correct
8 Correct 156 ms 9424 KB Output is correct
9 Correct 158 ms 9352 KB Output is correct
10 Correct 190 ms 9464 KB Output is correct
11 Correct 199 ms 10104 KB Output is correct
12 Correct 214 ms 10312 KB Output is correct
13 Correct 223 ms 10632 KB Output is correct
14 Correct 187 ms 10360 KB Output is correct
15 Correct 221 ms 11128 KB Output is correct
16 Correct 252 ms 11260 KB Output is correct
17 Correct 230 ms 11400 KB Output is correct
18 Correct 248 ms 11784 KB Output is correct
19 Correct 266 ms 11512 KB Output is correct
20 Correct 293 ms 12764 KB Output is correct