Submission #962802

#	Time	Username	Problem	Language	Result	Execution time	Memory
962802		n3rm1n	Robots (IOI13_robots)	C++17	Compilation error	0 ms	0 KiB

robots

#include<bits/stdc++.h>
#include"robots.h"
using namespace std;
const int MAXN = 1e6 + 10;
int a, b, t, x[MAXN], y[MAXN], s[MAXN], w[MAXN];
bool check(int xt)
{
    int index = 0;
    for (int i = 0; i < a; ++ i)
    {
        if(index == t)return true;
        int put = 0;
        while(indx < t && put < xt && w[index] < x[i])
        {
            index ++;
            put ++;
        }
    }
    return (index == t);
}
int putaway(int A,int B,int T, int X[],int Y[],int W[],int S[])
{
    /// 14p
    if(A + B == 2 && T == 2)
    {
        int fit00 = 0, fit01 = 0, fit10 = 0, fit11 = 0;
        if(A == 2)
        {
            if(W[0] < X[0])fit00 ++;
            if(W[1] < X[0])fit01 ++;
            if(W[0] < X[1])fit10 ++;
            if(W[1] < X[1])fit11 ++;
        }
        else if(B == 2)
        {
            if(S[0] < Y[0])fit00 ++;
            if(S[1] < Y[0])fit01 ++;
            if(S[0] < Y[1])fit10 ++;
            if(S[1] < Y[1])fit11 ++;
        }
        else
        {
            if(W[0] < X[0])fit00 ++;
            if(W[1] < X[0])fit01 ++;
            if(S[0] < Y[0])fit10 ++;
            if(S[1] < Y[0])fit11 ++;
        }
        if(!fit01 && !fit11)return -1;
        if(!fit00 && !fit10)return -1;
        if(fit01 && fit10)return 1;
        if(fit00 && fit11)return 1;
        return 2;
    }
    /// sort + make global
    sort(X, X+A);
    sort(W, W+T);
    for (int i = 0; i < T; ++ i)
    {
        s[i] = S[i];
        w[i] = W[i];
    }
    for (int i = 0; i < A; ++ i)
        x[i] = X[i];
    for (int i = 0; i < B; ++ i)
        y[i] = Y[i];

    a = A;
    b = B;
    t = T;


    if(B == 0)
    {

        if(X[A-1] <= W[T-1])return -1;
        int l = 1, r = t, mid = 0, ans = t;
        while(l <= r)
        {
            mid = (l + r)/2;
            if(check(mid))
            {
                ans = mid;
                r = mid - 1;
            }
            else l = mid + 1;
        }
        return ans;
    }
}

Compilation message (stderr)

robots.cpp: In function 'bool check(int)':
robots.cpp:13:15: error: 'indx' was not declared in this scope; did you mean 'index'?
   13 |         while(indx < t && put < xt && w[index] < x[i])
      |               ^~~~
      |               index
robots.cpp: In function 'int putaway(int, int, int, int*, int*, int*, int*)':
robots.cpp:89:1: warning: control reaches end of non-void function [-Wreturn-type]
   89 | }
      | ^