Submission #1101144

#	Time	Username	Problem	Language	Result	Execution time	Memory
1101144		InvMOD	Secret (JOI14_secret)	C++14	Compilation error	0 ms	0 KiB

secret

#include<bits/stdc++.h>
#include "secret.h"

using namespace std;

const int N = 1e3+1;

int mx_size, pref[N][N];

int Secret(int x, int y){
    return min(x + ((y>>1)<<1), (int)1e9);
}

void Dnc(int l, int r, vector<int>& v){
    if(l == r){
        pref[l][l] = v[l];
        return;
    }

    int m = l+r>>1;
    pref[m][m] = v[m];
    pref[m+1][m+1] = v[m+1];

    for(int i = m-1; i >= l; i--){
        pref[i][m] = Secret(v[i], pref[i+1][m]);
    }
    for(int i = m+2; i <= r; i++){
        pref[m+1][i] = Secret(pref[m+1][i-1], v[i]);
    }

    Dnc(l, m, v);
    Dnc(m+1, r, v);
    return;
}

void Init(int n, int a[]){
    vector<int> v;
    for(int i = 0; i < n; i++){
        v.push_back(a[i]);
    }

    --n; mx_size = n;
    Dnc(0, n, v);
    return;
}

int get(int l, int r, int Ql, int Qr){
    if(l == r){
        return pref[l][r];
    }
    else{
        int m = l+r>>1;
        if(Ql <= m && Qr > m){
            return Secret(pref[Ql][m], pref[m+1][Qr]);
        }
        else{
            if(Qr <= m){
                return get(l, m, Ql, Qr);
            }
            else{
                return get(m+1, r, Ql, Qr);
            }
        }
    }
    return -1;
}

int Query(int l, int r){
    cout << get(0, mx_size, l, r) <<"\n";
}

Compilation message (stderr)

secret.cpp: In function 'void Dnc(int, int, std::vector<int>&)':
secret.cpp:20:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   20 |     int m = l+r>>1;
      |             ~^~
secret.cpp: In function 'int get(int, int, int, int)':
secret.cpp:52:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   52 |         int m = l+r>>1;
      |                 ~^~
secret.cpp: In function 'int Query(int, int)':
secret.cpp:70:1: warning: no return statement in function returning non-void [-Wreturn-type]
   70 | }
      | ^
/usr/bin/ld: /tmp/cclBuGfo.o: in function `Secret(int, int)':
secret.cpp:(.text+0x0): multiple definition of `Secret(int, int)'; /tmp/ccjMcVAl.o:grader.cpp:(.text+0x2d0): first defined here
collect2: error: ld returned 1 exit status