Submission #3668208

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Source Code Expand

#include "grader.h"
#include <vector>
using namespace std;
const int MAX=32000;
vector<int> prime;
bool isprime[MAX];
void sieve(){
	for(int i=3; i<MAX; i+=2){
		isprime[i]=1;
	}
	isprime[2]=1;
	prime.push_back(2);
	for(int i=3; i<MAX; i++){
		if(isprime[i]){
			prime.push_back(i);
			for(int j=2*i; j<MAX; j+=i){
				isprime[j]=0;
			}
		}
	}
	return;
}
void taro(int N) {
	sieve();
	int i0=-1;
	for(int i=0; i<prime.size(); i++){
		if(N%prime[i]==0){
			N/=prime[i];
			i0=i;
			break;
		}
	}
	if(i0==-1 || N==1){
		send(1);
		return;
	}
	for(int i=0; i<12; i++){
		if(i0&1) send(1);
		else send(0);
		i0/=2;
	}
}

int jiro(int S, int X[]) {
	if(S==1) return -1;
	sieve();
	int ans=0;
	for(int i=0; i<12; i++){
		if(X[i]) ans^=(1<<i);
	}
	return prime[ans];
}

Submission Info

Compile Error

./grader.cpp: In function ‘int main(int, char**)’:
./grader.cpp:30:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     int N; scanf("%d", &N);
                           ^
./grader.cpp:41:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &bits_size);
                            ^
./grader.cpp:44:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d", bits+i);
                          ^

Judge Result