답안 #609816

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
609816	2022-07-27T23:56:38 Z	jairRS	말 (IOI15_horses)	C++17	17 / 100	12 ms	8376 KB

horses

#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

const int MAXN = 1000;
const ll MOD = 1'000'000'000LL + 7LL;
ll gN, gX[MAXN], gY[MAXN];

struct bignum{
	ll val = 0;
	bool overMOD = false;
	bignum(ll _val){
		overMOD = val/MOD > 0;
		val = _val % MOD;
	}

	void scale(ll x){
		bignum newBignum = bignum(val * x);
		overMOD |= newBignum.overMOD;
		val = newBignum.val;
	}
};

int getAns(){
	bignum curAns(gY[gN - 1] * gX[gN - 1]);
	for (int i = gN - 2; i >= 0; i--)
	{
		if(!curAns.overMOD && gY[i] > curAns.val)
			curAns = bignum(gY[i] * gX[i]);
		else{
			curAns.scale(gX[i]);
		}
	}
	return curAns.val;
}

int init(int N, int X[], int Y[]) {
	gN = N;
	for (int i = 0; i < N; i++)
	{
		gX[i] = X[i];
		gY[i] = Y[i];
	}
	
	return getAns();
}

int updateX(int pos, int val) {	
	gX[pos] = val;
	return getAns();
}

int updateY(int pos, int val) {
	gY[pos] = val;
	return getAns();
}

Compilation message

horses.cpp: In function 'int getAns()':
horses.cpp:27:18: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
   27 |  for (int i = gN - 2; i >= 0; i--)
      |               ~~~^~~
horses.cpp:35:16: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
   35 |  return curAns.val;
      |         ~~~~~~~^~~

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct

Subtask #2

0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Incorrect	0 ms	212 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

Subtask #3

0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	12 ms	8376 KB	Execution killed with signal 11
2	Halted	0 ms	0 KB	-

Subtask #4

0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	224 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Incorrect	1 ms	212 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

Subtask #5

0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Incorrect	0 ms	212 KB	Output isn't correct
23	Halted	0 ms	0 KB	-