Submission #220162

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
220162	2020-04-07 07:31:33	PeppaPig	Triple Jump (JOI19_jumps)	C++14	100 / 100	1191 ms	89080 KiB

jumps

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#include <bits/stdc++.h>
#define pii pair<int, int>
#define x first
#define y second
using namespace std;
const int N = 1 << 19;
struct item {
    int val, sum, mx;
    item() : val(-1e9), sum(-1e9), mx(-1e9) {}
    item(int val, int sum, int mx) : val(val), sum(sum), mx(mx) {}
    friend item operator+(const item &a, const item &b) {
        item ret;
        ret.val = max(a.val, b.val);
        ret.sum = max(a.sum, b.sum);
        ret.mx = max({a.mx, b.mx, a.sum + b.val});
        return ret;
    }
} t[N << 1];
int n, q;
void update(int x, int k, bool f, int p = 1, int l = 1, int r = n) {
    if(l == r) {
        if(!f) t[p].val = k;
        else t[p].sum = max(t[p].sum, k);
        if(t[p].val != -1e9 && t[p].sum != -1e9) t[p].mx = t[p].val + t[p].sum;
 
 
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Compilation message (stderr)

jumps.cpp: In function 'int main()':
jumps.cpp:52:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
jumps.cpp:55:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", A + i);
         ~~~~~^~~~~~~~~~~~~
jumps.cpp:64:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &q);
     ~~~~~^~~~~~~~~~
jumps.cpp:66:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &a, &b);
         ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 14 / 14
• Subtask 3: 27 / 27
• Subtask 4: 54 / 54