Submission #1053624

#	Time	Username	Problem	Language	Result	Execution time	Memory
1053624		phong	Secret (JOI14_secret)	C++17	Compilation error	0 ms	0 KiB

secret

//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma")
//#pragma GCC optimize("unroll-loops")
#include "secret.h"

#define ll long long
const int nmax = 1000 + 5;
const ll oo = 1e9 + 5, base = 311;
const int lg = 17, tx = 26;
const ll mod = 998244353;
#define pii pair<ll, ll>
#define fi first
#define se second
#define endl "\n"
#define debug(a, n) for(int i = 1; i <= n; ++i) cout << a[i] << ' '; cout << "\n";
using namespace std;

int n, a[nmax];
int tree[nmax << 2];

void build(int id, int l, int r){
    if(l == r){
        tree[id] = a[l];
        return;
    }
    int mid = r + l >> 1;
    build(id << 1, l, mid);
    build(id << 1| 1, mid + 1, r);
    tree[id] = Secret(tree[id << 1], tree[id << 1 | 1]);
}
int get(int id, int l, int r, int u, int v){
    if(l >= u && r <= v) return tree[id];
    int mid = r + l >> 1;
    if(mid< u) return get(id << 1 | 1, mid + 1, r, u, v);
    if(mid + 1 > v) return get(id << 1, l, mid, u, v);
    return Secret(get(id << 1, l, mid, u, v), get(id << 1 | 1, mid + 1, r, u, v));
}
void Init(int N, int A[]){
    n = N;
    for(int i = 0; i < n; ++i) a[i] = A[i];
    build(1, 0, n - 1);

}
int Query(int l, int r){
    return get(1, 0, n - 1, l, r);
}

main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
//    freopen("code.inp", "r", stdin);
//    freopen("code.out", "w", stdout);
}
/*
2 3
1 4
4 1
2 6 5
*/

Compilation message (stderr)

secret.cpp: In function 'void build(int, int, int)':
secret.cpp:26:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   26 |     int mid = r + l >> 1;
      |               ~~^~~
secret.cpp: In function 'int get(int, int, int, int, int)':
secret.cpp:33:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   33 |     int mid = r + l >> 1;
      |               ~~^~~
secret.cpp: At global scope:
secret.cpp:48:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   48 | main(){
      | ^~~~
secret.cpp: In function 'int main()':
secret.cpp:49:5: error: 'ios_base' has not been declared
   49 |     ios_base::sync_with_stdio(0);
      |     ^~~~~~~~
secret.cpp:50:5: error: 'cin' was not declared in this scope
   50 |     cin.tie(0);cout.tie(0);
      |     ^~~
secret.cpp:5:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
    4 | #include "secret.h"
  +++ |+#include <iostream>
    5 | 
secret.cpp:50:16: error: 'cout' was not declared in this scope
   50 |     cin.tie(0);cout.tie(0);
      |                ^~~~
secret.cpp:50:16: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?