Submission #394693

#	Time	Username	Problem	Language	Result	Execution time	Memory
394693		MarcoMeijer	Languages (IOI10_languages)	C++14	Compilation error	0 ms	0 KiB

lang

#include "grader.h"
#include "lang.h"
#include <bits/stdc++.h>
using namespace std;

// macros
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<ll, ll> lll;
typedef tuple<int, int, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<ll> vll;
typedef vector<lll> vlll;
#define REP(a,b,c) for(int a=int(b); a<int(c); a++)
#define RE(a,c) REP(a,0,c)
#define RE1(a,c) REP(a,1,c+1)
#define REI(a,b,c) REP(a,b,c+1)
#define REV(a,b,c) for(int a=int(c-1); a>=int(b); a--)
#define FOR(a,b) for(auto& a : b)
#define all(a) a.begin(), a.end()
#define INF 1e9
#define EPS 1e-9
#define pb push_back
#define popb pop_back
#define fi first
#define se second
#define sz size()
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

const int MX = 761;

double mp[56][MX][MX];
double rec[MX][MX];
double cnt[56];
set<int> possible;

int h(int x) {
    return x%MX;
}

void excerpt(int *E) {
    static bool first = true;
    if(first) {
        RE(i,56) RE(j,MX) RE(k,MX) mp[i][j][k] = 0.0;
        RE(i,56) RE(j,MX) RE(k,MX) rec[i][j][k] = 0.0;
        RE(i,56) cnt[i] = 0.0;
        first = false;
    }

    int asking = 0; double best = 0.0;
    FOR(j,possible) {
        double cur = 0.0;
        RE(i,99) rec[h(E[i])][h(E[i+1])] += 1.0
        RE(i,99) {
            double val = mp[j][h(E[i])][h(E[i+1])] / cnt[j];
            cur += pow(val*rec[h(E[i])][h(E[i+1])],0.25);
        }
        RE(i,99) rec[h(E[i])][h(E[i+1])] = 0.0;
        if(cur > best) best = cur, asking = j;
    }

    int res = language(asking);
    possible.insert(res);
    RE(i,99) mp[res][h(E[i])][h(E[i+1])] += 1.0;
    cnt[res] += 1.0;
}

Compilation message (stderr)

lang.cpp: In function 'void excerpt(int*)':
lang.cpp:48:47: error: invalid types 'double[int]' for array subscript
   48 |         RE(i,56) RE(j,MX) RE(k,MX) rec[i][j][k] = 0.0;
      |                                               ^
lang.cpp:56:48: error: expected ';' before 'for'
   56 |         RE(i,99) rec[h(E[i])][h(E[i+1])] += 1.0
      |                                                ^
      |                                                ;
lang.cpp:57:12: error: 'i' was not declared in this scope
   57 |         RE(i,99) {
      |            ^
lang.cpp:17:38: note: in definition of macro 'REP'
   17 | #define REP(a,b,c) for(int a=int(b); a<int(c); a++)
      |                                      ^
lang.cpp:57:9: note: in expansion of macro 'RE'
   57 |         RE(i,99) {
      |         ^~