Submission #144159

#	Time	Username	Problem	Language	Result	Execution time	Memory
144159		arayi	Segway (COI19_segway)	C++17	100 / 100	693 ms	24500 KiB

segway

#include <iostream>
#include <string>
#include <queue>
#include <stack>
#include <algorithm>
#include <math.h>
#include <vector>
#include <cstring>
#include <ctime>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <iomanip>
#include <ctime>
#define fr first
#define sc second
#define MP make_pair
#define PB push_back
#define fastio ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define lli long long int
#define y1 arayikhalatyan
using namespace std;

lli gcd(lli a, lli b) {
	if (b == 0)
		return a;
	return gcd(b, a % b);
}
lli cg(lli n) {
	return n ^ (n >> 1);
}
lli SUM(lli a)
{
	return (a * (a + 1) / 2);
}
bool CAN(int x, int y, int n, int m)
{
	if (x >= 0 && y >= 0 && x < n && y < m)
	{
		return true;
	}
	return false;
}
double her(double x1, double y1, double x2, double y2)
{
	return sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
}
string strsum(string a, string b)
{
	int p = 0;
	string c;
	reverse(a.begin(), a.end());
	reverse(b.begin(), b.end());
	if (b.length() < a.length())
	{
		for (int i = b.length(); i < a.length(); i++)
		{
			b += "0";
		}
	}
	else
	{
		for (int i = a.length(); i < b.length(); i++)
		{
			a += "0";
		}
	}

	a += "0", b += "0";
	for (int i = 0; i < a.length(); i++)
	{
		c += (a[i] - '0' + b[i] - '0' + p) % 10 + '0';
		p = (a[i] + b[i] - '0' - '0' + p) / 10;
	}
	if (c[c.length() - 1] == '0') c.erase(c.length() - 1, 1);
	reverse(c.begin(), c.end());
	return c;
}
string strmin(string a, string b)
{
	if (a.length() > b.length()) return b;
	if (b.length() > a.length()) return a;
	for (int i = 0; i < a.length(); i++)
	{
		if (a[i] > b[i]) return b;
		if (b[i] > a[i]) return a;
	}
	return a;
}

char vow[] = { 'a', 'e', 'i', 'o', 'u' };
int dx[] = { 1, -1, 0, 0 };
int dy[] = { 0, 0, 1, -1 };



const int N = 1e6 + 30;
const lli mod = 998244353;

int n, m, x[20010];
int a[20010][3], b[301], sm[20010];
int s[301][20010];
int k[20010];
int main()
{
	fastio;
	//freopen("c.in", "r", stdin);
	cin >> n;
	for (int i = 0; i < n; i++)
	{
		cin >> a[i][0] >> a[i][1] >> a[i][2];
	}
	cin >> m;
	for (int j = 1; j <= m; j++)
	{
		
		cin >> b[j];
		for (int i = 0; i < n; i++)
		{
			if (sm[i] > b[j])
			{
				s[j][i] = s[j - 1][i] - sm[i] + b[j];
			}
			else
			{
				s[j][i] = s[j - 1][i] + 
					max(0, (min(100, b[j]) - sm[i])) * a[i][0] + 
					max(0, (min(200, b[j]) - max(100, sm[i]))) * a[i][1] + 
					max(0, b[j] - max(200, sm[i])) * a[i][2];
			}
			k[i] = s[j][i];
		}
		sort(k, k + n);
		for (int i = 0; i < n; i++)
		{
			x[i] = lower_bound(k, k + n, s[j][i]) - k;
		}
		//cout << endl;
		for (int i = 0; i < n; i++)
		{
			//cout << x[i] << " ";
			if (sm[i] > b[j])
			{
				s[j][i] = s[j - 1][i];
				continue;
			}
			sm[i] = b[j] + (x[i] % 20);
			s[j][i] += (x[i] % 20);
			//cout << s[j][i] << endl;
		}
	}
	for (int i = 0; i < n; i++)
	{
		//cout << s[m][i] << " ";
		if (sm[i] > 300)
			s[m][i] -= sm[i] - 300;
		else
		{
			s[m][i] += max(0, 100 - sm[i]) * a[i][0] +
				max(0, 200 - max(100, sm[i])) * a[i][1] +
				max(0, 300 - max(200, sm[i])) * a[i][2];
		}
		cout << s[m][i] << endl;
	}
	return 0;
}

Compilation message (stderr)

segway.cpp: In function 'std::__cxx11::string strsum(std::__cxx11::string, std::__cxx11::string)':
segway.cpp:57:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = b.length(); i < a.length(); i++)
                            ~~^~~~~~~~~~~~
segway.cpp:64:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = a.length(); i < b.length(); i++)
                            ~~^~~~~~~~~~~~
segway.cpp:71:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < a.length(); i++)
                  ~~^~~~~~~~~~~~
segway.cpp: In function 'std::__cxx11::string strmin(std::__cxx11::string, std::__cxx11::string)':
segway.cpp:84:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < a.length(); i++)
                  ~~^~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 40 / 40
• Subtask 3: 45 / 45