Submission #877783

#	Time	Username	Problem	Language	Result	Execution time	Memory
877783		_unknown_2010	Simple game (IZhO17_game)	C++17	0 / 100	2 ms	8140 KiB

game

//#ifndef LOCAL
//#pragma GCC optimize ("Ofast")
//#pragma GCC optimize ("unroll-loops")
//#endif
 
#include <bits/stdc++.h>
using namespace std;
using vecp = vector<pair<int,int>>;
#define vecm(a,n,m) vector<vector<int>>a(n,vector<int>(m,0));
#define int int64_t
#define pb  push_back
#define pii pair<int,int>
#define vi vector<int>
#define vii vector<pii>
#define mpii map<int,int>
#define lb lower_bound
#define ub upper_bound
#define foor(i,a,b) for(int i=a;i<b; i++)
#define foor(i,a) foor(i,0,a)
#define ins insert
#define ss second
#define ff first
#define until(x, a) for (auto x : a)
#define ln(x) int(x.size())
#define all(x) (x).begin(), (x).end()
#define seea(a,n) for(int i=0;i<n;i++){cin>>a[i];}
#define seev(v,n) for(int i=0;i<n;i++){int x; cin>>x; v.push_back(x);}
const int mod = 1E9+7;
void solution(){
    int n,m;
    cin >> n >> m;
    int a[n+1];
    for(int i=1; i<=n; i++){
        cin >> a[i];
    }
    vector<int> vec(1000005,0);
    for(int i=2; i<=n; i++){
        int l,r;
        l=min(a[i],a[i-1]);
        r=max(a[i],a[i-1]);
        vec[l]++;
        vec[r+1]--;
    }
    int sum=0;
    for(int i=1; i<vec.size(); i++){
        sum+=vec[i];
        vec[i]=sum;
    }
    while(m--){
        int t,x;
        cin >> t >> x;
        cout << vec[x] << endl;
    }
}
int32_t main(){
    clock_t tStart = clock();
    std::ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int q = 1; // cin >> q;
    while(q--) {
        solution();
        // cout << '\n';
    }
    // cerr<<fixed<<setprecision(3)<<"\nTime Taken: "<<(double)(clock()- tStart)/CLOCKS_PER_SEC<<endl;
}

Compilation message (stderr)

game.cpp:19: warning: "foor" redefined
   19 | #define foor(i,a) foor(i,0,a)
      | 
game.cpp:18: note: this is the location of the previous definition
   18 | #define foor(i,a,b) for(int i=a;i<b; i++)
      | 
game.cpp: In function 'void solution()':
game.cpp:45:19: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::vector<long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |     for(int i=1; i<vec.size(); i++){
      |                  ~^~~~~~~~~~~
game.cpp: In function 'int32_t main()':
game.cpp:56:13: warning: unused variable 'tStart' [-Wunused-variable]
   56 |     clock_t tStart = clock();
      |             ^~~~~~

• Subtask 1: 0 / 22
• Subtask 2: 0 / 27
• Subtask 3: 0 / 51