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답안 #1112474

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1112474 2024-11-14T08:37:16 Z vjudge1 Baloni (COCI15_baloni) C++
100 / 100
 140 ms 3896 KB 
#include <iostream>
#include <vector>
#include <unordered_map>
using namespace std;

int main() {
    int N;
    cin >> N;
    
    vector<int> heights(N);
    for (int i = 0; i < N; ++i) {
        cin >> heights[i];
    }
    
    unordered_map<int, int> arrows;
    int num_arrows = 0;
    
    for (int i = 0; i < N; ++i) {
        int h = heights[i];
        if (arrows[h] > 0) {
            arrows[h]--;
            arrows[h - 1]++;
        } else {
            num_arrows++;
            arrows[h - 1]++;
        }
    }
    
    cout << num_arrows << endl;
    return 0;
}

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 2 ms 452 KB Output is correct
4 Correct 2 ms 336 KB Output is correct
5 Correct 132 ms 3524 KB Output is correct
6 Correct 131 ms 3896 KB Output is correct
7 Correct 101 ms 3296 KB Output is correct
8 Correct 108 ms 3256 KB Output is correct
9 Correct 115 ms 3416 KB Output is correct
10 Correct 140 ms 3532 KB Output is correct