Submission #1280302

#TimeUsernameProblemLanguageResultExecution timeMemory
1280302nhmktuSecret (JOI14_secret)C++17
Compilation error
0 ms0 KiB
#include <bits/stdc++.h>
#include "secret.h"
#define ll long long
#define FOR(i,a,b) for(int i=a;i<=b;i++)
#define ROF(i,a,b) for(int i=a;i>=b;i--)
#define pi pair<int,int>
#define pii pair<int,pi>
#define fi first
#define se second
#define pb push_back
#define all(x) x.begin(), x.end()
#define sz(a) (int) a.size()
#define endl '\n'
#define data "secret"

using namespace std;
const ll linf = 1e18;
const int inf = 1e9;
const int MOD = 1e9 + 7, MX = 1e5;

void add(int &a, int b)
{
    a += b;
    if(a>=MOD)
        a-=MOD;
    if(a<0)
        a += MOD;
}

int modulo(int x)
{
    if(x<=1)
        return 1;
    return (MOD - MOD/x) * modulo(MOD/x) % MOD;
}

int mul(int a, int b)
{
    return (1ll *a%MOD * b%MOD) % MOD;
}

int type;
int N;
int A[MX+3];
int acc[MX+3][23];
int mask[MX+3];

void init(int N, int A[])
{
    cin >> N;
    FOR(i, 0, N - 1) cin >> A[i];
}

int Query(int L, int R)
{
//    int k = __builtin_ctz( mask[L] ^ mask[R] );
//    return calc(acc[L][k], acc[R][k]);
    int ans = 0;
    FOR(i, L, R) ans = Secret(ans, A[i]);
    return ans;
}

int calc(int a, int b)
{
    if(type == 1) return a + b;
    if(type == 2) return a - b;
    if(type == 3) return a * b;
    if(type == 4) return a / b;
}

void DnC(int l, int r, int lvl)
{
    if(l == r) return;
    int mid = (l+r) >> 1;
    DnC(l, mid, lvl + 1);
    DnC(mid + 1, r, lvl + 1);

    acc[mid][lvl] = A[mid];
    ROF(i, mid - 1, l) acc[i][lvl] = calc(A[i], acc[i+1][lvl]);

    acc[mid+1][lvl] = A[mid+1];
    FOR(i, mid + 2, r) acc[i][lvl] = calc(A[i], acc[i-1][lvl]);

    FOR(i, mid + 1, r) mask[i] |= (1 << lvl);
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

//    if(fopen(data".inp", "r"))
//    {
//        freopen(data".inp","r",stdin);
//        freopen(data".out","w",stdout);
//    }

    init(N, A);

    int tmp = Secret(8, 2);
    if(tmp == 10) type = 1;
    if(tmp == 6) type = 2;
    if(tmp == 16) type = 3;
    if(tmp == 4) type = 4;

    DnC(0, N - 1, 0);
    int q; cin >> q;
    FOR(_, 1, q)
    {
        int L, R; cin >> L >> R;
        cout << Query(L, R) << '\n';
    }

    return 0;
}

Compilation message (stderr)

secret.cpp: In function 'int calc(int, int)':
secret.cpp:69:1: warning: control reaches end of non-void function [-Wreturn-type]
   69 | }
      | ^
/usr/bin/ld: /tmp/cccdQK8H.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccOEMzvM.o:secret.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cccdQK8H.o: in function `main':
grader.cpp:(.text.startup+0x2c7): undefined reference to `Init(int, int*)'
collect2: error: ld returned 1 exit status