Submission #1157416

#	Time	Username	Problem	Language	Result	Execution time	Memory
1157416		Math4Life2020	Prisoner Challenge (IOI22_prison)	C++20	Compilation error	0 ms	0 KiB

prison

#include "prison.h"
#include <bits/stdc++.h>
using namespace std;
using ll = int; using pii = pair<ll,ll>;
ll X = 20;

vector<vector<int>> ans; int N;
int itype[8][5103]; //x -> type (1, 2, 3 or -1 (TOP) or -2 (BOTTOM))

void wtype(ll a, ll b, ll d) {
    if (a>b) {
        return;
    }
    ll len = b-a+1;
    if (len>=188) {
        itype[d][a]=-2;
        itype[d][b]=-1;
        ll nwid = len/3;
        for (ll i=(a+1);i<=(a+3*nwid);i++) {
            itype[d][i]=(i-a-1)/nwid;
        }
        wtype(a+1,a+nwid,d+1);
        wtype(a+nwid+1,a+2*nwid,d+1);
        wtype(a+2*nwid+1,a+3*nwid,d+1);
    } else {
        itype[d][a]=-2;
        itype[d][b]=-1;
        ll nwid = (len-2)/2;
        for (ll i=(a+1);i<=(a+2*nwid);i++) {
            itype[d][i]=(i-a-1)/nwid;
        }
        wtype(a+1,a+nwid,d+1);
        wtype(a+nwid+1,b-1,d+1);
    }
}

void prc(ll v) {
    for (ll i=1;i<=N;i++) {
        ll inp;
        ll ncur;
        if (v<=12) {
            inp = (v-1)%3;
            ncur = (v-1)/3;
        } else {
            inp = (v-1)%2;
            ncur = (v-1)/2-2;
        }
        ll rd = itype[ncur][i];
        if (rd<0) {
            if ((ans[v][0]==0)^(rd==-1)) {
                //checking A XOR isMax
                //min if checking A
                ans[v][i]=-1;
            } else {
                ans[v][i]=-2;
            }
        } else {
            if (rd>inp) {
                if (ans[v][0]==0) {
                    //this is higher than other + checking A
                    ans[v][i]=-2;
                } else {
                    ans[v][i]=-1;
                }
            } else if (rd<inp) {
                if (ans[v][0]==0) {
                    //this is lower than other + checking A
                    ans[v][i]=-1;
                } else {
                    ans[v][i]=-2;
                }
            } else {
                ans[v][i]=itype[ncur+1][i];
            }
        }
    }
}

vector<vector<int>> devise_strategy(int _N) {
    N = _N;
    wtype(1,5102,0); //write type
    vector<int>(N+1,0) TEMP;
    for (ll i=0;i<=x;i++) {
        ans.push_back(TEMP);
    }
    ans[0][0]=0;
    ans[0][1]=-2;
    for (ll i=2;i<=N;i++) {
        ans[0][i]=itype[0][i]+1;
    }
    ans[1][0]=1;
    ans[2][0]=1;
    ans[3][0]=1;
    ans[4][0]=0;
    ans[5][0]=0;
    ans[6][0]=0;
    ans[7][0]=1;
    ans[8][0]=1;
    ans[9][0]=1;
    ans[10][0]=0;
    ans[11][0]=0;
    ans[12][0]=0;
    ans[13][0]=1;
    ans[14][0]=1;
    ans[15][1]=0;
    ans[16][1]=0;
    ans[17][0]=1;
    ans[18][0]=1;
    ans[19][1]=0;
    ans[20][1]=0;
    for (ll i=1;i<=20;i++) {
        prc(i);
    }
    return ans;
}

Compilation message (stderr)

prison.cpp: In function 'std::vector<std::vector<int> > devise_strategy(int)':
prison.cpp:82:23: error: expected ';' before 'TEMP'
   82 |     vector<int>(N+1,0) TEMP;
      |                       ^~~~~
      |                       ;
prison.cpp:83:20: error: 'x' was not declared in this scope
   83 |     for (ll i=0;i<=x;i++) {
      |                    ^
prison.cpp:84:23: error: 'TEMP' was not declared in this scope
   84 |         ans.push_back(TEMP);
      |                       ^~~~