Submission #573244

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
573244	2022-06-06 09:47:48	guugiuh	Lightning Rod (NOI18_lightningrod)	C++14	100 / 100	841 ms	262144 KiB

Main

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#include <bits/stdc++.h>
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <vector>
using namespace std;
typedef vector<int> vi;
inline int readInt() {
    int x = 0;
    char ch = getchar_unlocked();
    while (ch < '0' || ch > '9') ch = getchar_unlocked();
    while (ch >= '0' && ch <= '9'){
    x = (x << 3) + (x << 1) + ch - '0';
    ch = getchar_unlocked();
  }
    return x;
}
 
int MinPyramids(int N, vi X, vi Y) 
{ 
    int res = 0; 
    vi T1(N + 1), T2(N + 1); 
    for (int i = 0; i < N; i++) 
        T1[N - i] = X[i] - Y[i], T2[i + 1] = X[i] + Y[i]; 
    for (int i = 0; i < N; i++) 
        if (i + (i & -i) <= N) 
            T1[i + (i & -i)] = min(T1[i + (i & -i)], T1[i]), T2[i + (i & -i)] = max(T2[i + (i & -i)], T2[i]); 
    for (int i = 0; i < N; i++) 
    { 
        int mn = 2e9+1, mx = -mn; 
 
 
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• Subtask 2: 7 / 7
• Subtask 3: 12 / 12
• Subtask 4: 21 / 21
• Subtask 5: 26 / 26
• Subtask 6: 10 / 10
• Subtask 7: 20 / 20