Submission #237812

#	Time	Username	Problem	Language	Result	Execution time	Memory
237812		mohamedsobhi777	Game (IOI13_game)	C++14	Compilation error	0 ms	0 KiB

game

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


using namespace std ; 

const int N =10000 + 7 ;

int n; 

long long gcd2(long long X, long long Y) {
    long long tmp;
    while (X != Y && Y != 0) {
        tmp = X;
        X = Y;
        Y = tmp % Y;
    }
    return X;
}

struct dynamic_segmentree{

        int count ; 
        int iden = 0 ; 
        vector<int> tree , lc , rc ; 

        void init(int _n){
                count = 0 ; 
                tree.resize(4*_n) ; 
                lc = vector<int> (4*_n , -1) ; 
                rc = vector<int> (4*_n , -1) ;
        }

        int f(int x , int y){
                return gcd2(x , y) ; 
        }

        void update(int node , int L , int R , int ix , int val){
                if(L == R){
                        tree[node] = val ; 
                        return ; 
                }

                int mid = (L+R) >>1 ; 
                if(ix<=mid){
                        if(lc[node] == -1)
                                lc[node] = ++count ; 
                        update(lc[node] , L , mid , ix , val) ; 
                }
                else{
                        if(rc[node] == -1)
                                rc[node] = ++count ; 
                        update(rc[node] , mid+1 , R , ix , val) ; 
                }

                if(lc[node] == -1)
                        tree[node] = tree[rc[node]] ; 
                else if(rc[node] == -1)
                        tree[node] = tree[lc[node]] ; 
                else tree[node] = f(tree[lc[node]] , tree[rc[node]]) ; 
        }

        int query(int node , int L , int R , int l , int r){
                if(l > R || r < L || node == -1)
                        return iden ; 
                if(L>=l && R<=r)
                        return tree[node] ;
                int mid = (L+R) >>1 ; 
                int s1 = query(lc[node]  , L , mid , l , r) ; 
                int s2 = query(rc[node] , mid+1 , R , l , r) ; 
                return f(s1 , s2) ;
        }

} ; 
vector<dynamic_segmentree> d ; 

void update(int a , int b , int c){
        b++ ; 
        d[a].update(0 , 1 , N , b ,c ) ;
}

int calculate(int a , int b , int c , int e){
        int ret = 0 ; 
        b++ ; e++ ;
        for(int i = a ; i<=c ;i++){
                ret = gcd2(ret , d[i].query(0 , 1, N , b , e)) ; 
        }
        return ret ; 
}


void init(int R, int C) {
        d.resize(R+2) ;
        for(int i = 0 ;i <=R ; i++){
                d[i].init(C+1) ; 
        }
}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:18:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
  int res;
      ^~~
game.cpp: In function 'int calculate(int, int, int, int)':
game.cpp:82:5: error: ambiguating new declaration of 'int calculate(int, int, int, int)'
 int calculate(int a , int b , int c , int e){
     ^~~~~~~~~
In file included from game.cpp:2:0:
game.h:10:11: note: old declaration 'long long int calculate(int, int, int, int)'
 long long calculate(int P, int Q, int U, int V);
           ^~~~~~~~~