Submission #225293

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
225293	2020-04-20 07:58:31	alvinpiter	Mountains (NOI20_mountains)	C++14	100 / 100	338 ms	13168 KiB

Mountains

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#include<bits/stdc++.h>
using namespace std;
#define LL long long int
#define MAXN 300000
int N, M;
LL H[MAXN + 3], answer;
int prefix[MAXN + 3], suffix[MAXN + 3]; //BIT
vector<LL> uniqH;
void update(int bit[], int idx, int val) {
    while (idx <= M) {
        bit[idx] += val;
        idx += (idx & -idx);
    }
}
int query(int bit[], int idx) {
    int result = 0;
    while (idx > 0) {
        result += bit[idx];
        idx -= (idx & -idx);
    }
    return result;
}
int id(LL h) {
    return (lower_bound(uniqH.begin(), uniqH.end(), h) - uniqH.begin()) + 1;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

Mountains.cpp: In function 'int main()':
Mountains.cpp:33:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
     ~~~~~^~~~~~~~~~
Mountains.cpp:35:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &H[i]);
         ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 9 / 9
• Subtask 4: 36 / 36
• Subtask 5: 28 / 28
• Subtask 6: 9 / 9
• Subtask 7: 12 / 12