Submission #151169

#	Time	Username	Problem	Language	Result	Execution time	Memory
151169		imyujin	On the Grid (FXCUP4_grid)	C++17	100 / 100	18 ms	380 KiB

grid

#include "grid.h"
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 1005;

int chk[MAXN];
vector<int> SortDisks(int N) {
	vector<int> v, ans;
	ans.resize(N);
	for(int i = 0; i < N; i++) v.push_back(i);
	for(int i = 0; i < N; i++) chk[i] = -1;
	
	int X = PutDisks(v);
	while(!v.empty()) {
		vector<int> w;
		int t = v.back();
		for(int i = v.size() - 1; i > 0; i--) v[i] = v[i - 1];
		v[0] = t;
		int p = 0;
		for(int i = 0; i < N; i++) {
			if(chk[i] != -1) w.push_back(chk[i]);
			else w.push_back(v[p++]);
		}
		int Y = PutDisks(w);
		if(Y >= X) {
			t = v[0];
			ans[t] = Y;
			for(int i = N - 1; w[i] != v[0]; i--) ans[t]--;
			chk[ans[t] - 1] = t;
			for(int i = 0; i < v.size() - 1; i++) v[i] = v[i + 1];
			v.pop_back();
		}
		else X = Y;
	}
	return ans;
}

Compilation message (stderr)

grid.cpp: In function 'std::vector<int> SortDisks(int)':
grid.cpp:31:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int i = 0; i < v.size() - 1; i++) v[i] = v[i + 1];
                   ~~^~~~~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 31 / 31
• Subtask 3: 57 / 57