Submission #627164

#	Time	Username	Problem	Language	Result	Execution time	Memory
627164		mraron	Radio Towers (IOI22_towers)	C++17	4 / 100	1085 ms	1456 KiB

towers

#include "towers.h"

#include <vector>
using namespace std;

int n,mid;
vector<int> h;

void init(int N, std::vector<int> H) {
    n=N;
    h=H;
    mid=-1;
    for(int i=0;i<n;++i) {
        if((i?h[i-1]:0)<h[i] && h[i]>(i+1<n?h[i+1]:0)) {
            mid=i;
            if(i>0) break;
        }
    }
}

int max_towers(int L, int R, int D) {
    if(L<=mid && mid<=R) {
        if(h[L]+D<=h[mid] && h[R]+D<=h[mid]) return 2;
    }
    return 1;
}

• Subtask 1: 4 / 4
• Subtask 2: 0 / 11
• Subtask 3: 0 / 12
• Subtask 4: 0 / 14
• Subtask 5: 0 / 17
• Subtask 6: 0 / 19
• Subtask 7: 0 / 23