제출 #1302262

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1302262		nicolo_010	Horses (IOI15_horses)	C++20	컴파일 에러	0 ms	0 KiB

horses

#include <bits/stdc++.h>
#include "horses.h"
using namespace std;
using ll = long long;
using pii = pair<int, int>;
const int MOD = 1e9+7;

const ll INF = 1e18;

int* x;
int* y;
int n;

ll compute(vector<ll> a, vector<ll> b) {
	int idx=0;
	ll prod=1;
	bool moduled = false;
	for (int i=1; i<(int)a.size(); i++) {
		ll y0 = b[idx];
		ll y1 = b[i];
		prod *= x[i];
		if (prod >= MOD) {
			moduled = true;
			prod %= MOD;
		}
		if (moduled) {
			//Se que y[i] <= y[j]*prod
			//Conviene j
			idx = i;
			moduled = 0;
			prod = 1;
		}
		else {
			if (prod*y1 >= y0) {
				idx = i;
				prod = 1;
				moduled = false;
			}
		}
	}
	prod=a[0];
	for (int i=1; i<n; i++) {
		if (i > idx) break;
		prod *= a[i];
		prod %= MOD;
	}
	return (prod*b[idx]) % MOD;
}

int init(int N, int* a, int* b) {
	x = a;
	y = b;
	n = N;
	vector<ll> xx, yy;
	xx.push_back(x[0]);
	yy.push_back(y[0]);
	for (int i=1; i<n; i++) {
		if (x[i] == 1) {
			yy.back() = max(yy.back(), (ll)y[i]);
		}
		else {
			xx.push_back(x[i]);
			yy.push_back(y[i]);
		}
	}
	return compute(x, y);
}

int updateX(int pos, int val) {
	x[pos] = val;
	vector<ll> xx, yy;
	xx.push_back(x[0]);
	yy.push_back(y[0]);
	for (int i=1; i<n; i++) {
		if (x[i] == 1) {
			yy.back() = max(yy.back(), (ll)y[i]);
		}
		else {
			xx.push_back(x[i]);
			yy.push_back(y[i]);
		}
	}
	return compute(x, y);
}

int updateY(int pos, int val) {
	y[pos] = val;
	vector<ll> xx, yy;
	xx.push_back(x[0]);
	yy.push_back(y[0]);
	for (int i=1; i<n; i++) {
		if (x[i] == 1) {
			yy.back() = max(yy.back(), (ll)y[i]);
		}
		else {
			xx.push_back(x[i]);
			yy.push_back(y[i]);
		}
	}
	return compute(x, y);
}

컴파일 시 표준 에러 (stderr) 메시지

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:66:24: error: could not convert 'x' from 'int*' to 'std::vector<long long int>'
   66 |         return compute(x, y);
      |                        ^
      |                        |
      |                        int*
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:83:24: error: could not convert 'x' from 'int*' to 'std::vector<long long int>'
   83 |         return compute(x, y);
      |                        ^
      |                        |
      |                        int*
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:100:24: error: could not convert 'x' from 'int*' to 'std::vector<long long int>'
  100 |         return compute(x, y);
      |                        ^
      |                        |
      |                        int*