제출 #1344078

#제출 시각아이디문제언어결과실행 시간메모리
1344078MunkhErdene동굴 (IOI13_cave)C++17
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define ff first
#define ss second
#define _ << " " <<
#define yes cout<<"YES\n"
#define no cout<<"NO\n"
#define ull unsigned long long
#define lll __int128
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define BlueCrowner ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define FOR(i, a, b) for (ll i = (a); i < (b); i++)
#define FORD(i, a, b) for (ll i = (a); i >= (b); i--)


#define MAX_N 5000
#define MAX_CALLS 70000

#define fail(s, x...) do { \
		fprintf(stderr, s "\n", ## x); \
		exit(1); \
	} while(0)

/* Symbol obfuscation */
#define N koala
#define realS kangaroo
#define realD possum
#define inv platypus
#define num_calls echidna

static int N;
static int realS[MAX_N];
static int realD[MAX_N];
static int inv[MAX_N];
static int num_calls;

void answer(int S[], int D[]) {
    int i;
    int correct = 1;
    for (i = 0; i < N; ++i)
        if (S[i] != realS[i] || D[i] != realD[i]) {
            correct = 0;
            break;
        }

    if (correct)
        printf("CORRECT\n");
    else
        printf("INCORRECT\n");

    for (i = 0; i < N; ++i) {
        if (i > 0)
            printf(" ");
        printf("%d", S[i]);
    }
    printf("\n");

    for (i = 0; i < N; ++i) {
        if (i > 0)
            printf(" ");
        printf("%d", D[i]);
    }
    printf("\n");

    exit(0);
}

int tryCombination(int S[]) {
    int i;

    if (num_calls >= MAX_CALLS) {
        printf("INCORRECT\nToo many calls to tryCombination().\n");
        exit(0);
    }
    ++num_calls;

    for (i = 0; i < N; ++i)
        if (S[inv[i]] != realS[inv[i]])
            return i;
    return -1;
}

int init() {
    cin >> N;
    FOR(i, 0, N) cin >> realS[i];
    FOR(i, 0, N) {
        cin >> realD[i];
        inv[realD[i]] = i;
    }
    return N;
}


void exploreCave(int n) {
    int s[n], d[n], used[n];
    FOR(i, 0, n) {
        s[i] = d[i] = used[i] = 0;
    }
    FOR(i, 0, n) {
        ll cur = tryCombination(s);
        if(cur == i) {
            FOR(i, 0, n) if(!used[i]) s[i] ^= 1;
        }
        ll l = 0, r = n - 1;
        ll pos = 0;
        while(l <= r) {
            ll m = (l + r) / 2;
            int a[n];
            FOR(i, 0, n) a[i] = s[i];
            FOR(i, l, m + 1) {
                if(!used[i]) a[i] ^= 1;
            }
            ll cur = tryCombination(a);
            if(cur == i) {
                pos = m;
                r = m - 1;
            }
            else {
                l = m + 1;
            }
        }
        used[pos] = 1;
        d[pos] = i;
    }
    answer(s, d);
}
int main() {
    int N;
	N = init();
	exploreCave(N);
    printf("INCORRECT\nYour solution did not call answer().\n");
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccVnu7nu.o: in function `init()':
grader.c:(.text+0x110): multiple definition of `init()'; /tmp/ccTUysLy.o:cave.cpp:(.text+0x1c0): first defined here
/usr/bin/ld: /tmp/ccVnu7nu.o: in function `main':
grader.c:(.text.startup+0x0): multiple definition of `main'; /tmp/ccTUysLy.o:cave.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccVnu7nu.o: in function `main':
grader.c:(.text.startup+0x10): undefined reference to `exploreCave'
collect2: error: ld returned 1 exit status