oj.uz

Submission #703413

# Submission time Handle Problem Language Result Execution time Memory
703413 2023-02-27T09:27:58 Z Stavab Horses (IOI15_horses) C++14
17 / 100
 1500 ms 19860 KB 
#include "horses.h"
#include <vector>

#define ll unsigned long long 
#define MOD 1000000007

using namespace std;

struct num
{
    ll a; ll b;
    num(ll x, ll y): a(x), b(y) {};

    void operator*=(ll x)
    {
        a *= x;
        b *= x;
        if(b >= MOD)
        {
            b %= MOD;
            ++a;
        }
    }
    bool operator<(const num &n) const
    {
        if(a != n.a) return a < n.a;
        else return b < n.b;
    }
};

vector<num> mult;
vector<ll> x, y;

int ans()
{
    num maxVal(0, 0);
    for(int i = 0; i < mult.size(); i++)
    {
        num tmp = mult[i];
        tmp *= y[i];
        maxVal = max(maxVal, tmp);
    }

    return maxVal.b;
}

int init(int N, int X[], int Y[])
{
    mult.assign(N, num(0, 0));
    mult[0].b = X[0];
    
    x.assign(N, 0);
    x[0] = X[0];
    y.assign(N, 0);
    y[0] = Y[0];

    for(int i = 1; i < N; i++)
    {
        y[i] = (ll)Y[i];
        x[i] = (ll)X[i];

        num tmp = mult[i - 1];
        tmp *= x[i];
        mult[i] = tmp;
    }

    return ans();
}

int updateX(int pos, int val)
{
    x[pos] = (ll)val;

    if(!pos)
    {
    	mult[0].b = x[0];
        pos++;
    }
    for(int i = pos; i < mult.size(); i++)
    {
        num tmp = mult[i - 1];
        tmp *= x[i];
        mult[i] = tmp;
    }
    return ans();
}

int updateY(int pos, int val)
{
    y[pos] = (ll)val;
    return ans();
}

Compilation message

horses.cpp: In function 'int ans()':
horses.cpp:37:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<num>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     for(int i = 0; i < mult.size(); i++)
      |                    ~~^~~~~~~~~~~~~
horses.cpp:44:19: warning: conversion from 'long long unsigned int' to 'int' may change value [-Wconversion]
   44 |     return maxVal.b;
      |            ~~~~~~~^
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:79:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<num>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   79 |     for(int i = pos; i < mult.size(); i++)
      |                      ~~^~~~~~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 232 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 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 240 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct

Subtask #2
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 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 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 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 1 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 1 ms 256 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 1 ms 212 KB Output is correct
22 Incorrect 1 ms 212 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1560 ms 19860 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory 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 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 216 KB Output is correct
12 Correct 0 ms 220 KB Output is correct
13 Correct 0 ms 220 KB Output is correct
14 Correct 0 ms 220 KB Output is correct
15 Correct 0 ms 224 KB Output is correct
16 Correct 0 ms 224 KB Output is correct
17 Correct 1 ms 224 KB Output is correct
18 Correct 0 ms 224 KB Output is correct
19 Correct 0 ms 224 KB Output is correct
20 Correct 0 ms 224 KB Output is correct
21 Correct 0 ms 224 KB Output is correct
22 Incorrect 0 ms 224 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 224 KB Output is correct
2 Correct 1 ms 224 KB Output is correct
3 Correct 0 ms 224 KB Output is correct
4 Correct 1 ms 224 KB Output is correct
5 Correct 1 ms 224 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 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Incorrect 1 ms 256 KB Output isn't correct
23 Halted 0 ms 0 KB -