제출 #439073

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
439073	2021-06-29 07:30:04	meatrow	Mountains (NOI20_mountains)	C++17	100 / 100	1018 ms	31000 KiB

Mountains

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#include <iostream>
#include <vector>
#include <cstring>
#include <algorithm>
#include <map>
using namespace std;
int t[1200000];
long long g[300000];
int left1[300000], right1[300000];
void update (int v, int tl, int tr, int h) {
    if (tl == tr)
        t[v]++;
    else {
        int tm = (tl + tr) / 2;
        if (h <= tm)
            update (v*2, tl, tm, h);
        else
            update (v*2+1, tm+1, tr, h);
        t[v] = t[v*2] + t[v*2+1];
    }
}
int sum (int v, int tl, int tr, int l, int r) {
    if (l > r)
        return 0;
    if (l == tl && r == tr)
        return t[v];
    int tm = (tl + tr) / 2;
    return sum (v*2, tl, tm, l, min(r,tm))
           + sum (v*2+1, tm+1, tr, max(l,tm+1), r);
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

Mountains.cpp: In function 'int main()':
Mountains.cpp:41:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |     for(int i = 0; i < b.size(); 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