oj.uz

답안 #241100

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
241100 2020-06-22T16:15:28 Z NONAME Go (COCI18_go) C++14
90 / 100
 5 ms 384 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;

const int N = 101;

int n, k, m, a[N], b[N], t[N];

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cin >> n >> k >> m;
    for (int i = 0; i < m; ++i)
        cin >> a[i] >> b[i] >> t[i];
    
    int cur = 0, ans = 0;
    
    for (int i = 0; i < m && a[i] < k; ++i)
        if (k - a[i] < t[i])
            cur += b[i];
    
    ans = max(ans, cur);
    cur = 0;
    
    for (int i = m - 1; i >= 0 && a[i] >= k; --i)
        if (a[i] - k < t[i])
            cur += b[i];
        
    ans = max(ans, cur);
    
    for (int i = 0; i < m && a[i] <= k; ++i) {
        int tot = 2 * (k - a[i]);
        
        cur = 0;
        
        int j = i;
        
        while (j < m && a[j] <= k) {
            if (k - a[j] < t[j])
                cur += b[j];
            ++j;
        }
        
        while (j < m) {
            if (tot + a[j] - k < t[j])
                cur += b[j];
            ++j;
        }
            
        ans = max(ans, cur);
    }
    
    for (int i = m - 1; i >= 0 && a[i] >= k; --i) {
        int tot = 2 * (a[i] - k);
        
        cur = 0;
        
        int j = i;
        
        while (j >= 0 && a[j] >= k) {
            if (a[j] - k < t[j])
                cur += b[j];
            --j;
        }
        
        while (j >= 0) {
            if (tot + k - a[j] < t[j])
                cur += b[j];
            --j;
        }
            
        ans = max(ans, cur);
    }
    
    cout << ans << "\n";
}

Subtask #1
90.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Incorrect 5 ms 384 KB Output isn't correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct