Submission #2409651

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Source Code Expand

#include<stdio.h>
#include<math.h>
#include<algorithm>
#include<queue>
#include<deque>
#include<stack>
#include<string>
#include<string.h>
#include<vector>
#include<set>
#include<map>
#include<bitset>
#include<stdlib.h>
#include<cassert>
#include<time.h>
#include<bitset>
using namespace std;
const long long mod=1000000007;
const long long inf=mod*mod;
const long long d2=(mod+1)/2;
const long double EPS=1e-10;
const long double PI=acos(-1.0);
int ABS(int a){return max(a,-a);}
long long ABS(long long a){return max(a,-a);}
long double ABS(long double a){return max(a,-a);}
int p[60];
int q[60];
int t[60][60];
int can[60][60][60];
int main(){
	int a;scanf("%d",&a);
	for(int i=0;i<a;i++)scanf("%d",p+i);
	for(int i=0;i<a;i++)scanf("%d",q+i);
	long long ret=0;
	for(int i=0;i<60;i++)can[0][i][i]=1;
	for(int i=1;i<60;i++)for(int j=0;j<60;j++)for(int k=0;k<60;k++){
		can[i][j][k]=can[i-1][j][k]|can[i-1][j%i][k];
	}
	for(int i=0;i<a;i++){
		if(p[i]==q[i])continue;
		if(p[i]/2<q[i]){
			printf("-1\n");return 0;
		}
	}
	for(int i=0;i<a;i++)t[i][p[i]]=1;
	for(int i=50;i>=1;i--){
		bool nd=false;
		for(int j=0;j<a;j++){
			bool ok=false;
			for(int k=0;k<60;k++){
				if(t[j][k]&&can[i-1][k][q[j]]){
					ok=true;
		//			printf("%d %d %d\n",i,j,k);
				}
			}
			if(!ok)nd=true;
		}
		if(nd){
			ret+=(1LL<<i);
			for(int j=0;j<a;j++){
				for(int k=0;k<60;k++){
					t[j][k%i]|=t[j][k];
				}
			}
		}
	}
	printf("%lld\n",ret);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:31:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  int a;scanf("%d",&a);
                      ^
./Main.cpp:32:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0;i<a;i++)scanf("%d",p+i);
                                     ^
./Main.cpp:33:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0;i<a;i++)scanf("%d",q+i);
                                     ^

Judge Result