Submission #1218838

---

Source Code Expand

#include<stdio.h>
#include<math.h>
#include<algorithm>
#include<queue>
#include<deque>
#include<string>
#include<string.h>
#include<vector>
#include<set>
#include<map>
#include<stdlib.h>
#include<cassert>
using namespace std;
const long long mod=1000000007;
const long long inf=mod*mod;
const long long d2=500000004;
// 104, 79, 118, 87
// 169, 133, 17, 98
// 180, 106, 125, 39
// 171, 42, 159, 14
// 45, 76, 101, 56
int main(){
	int a,b,c,d;
	scanf("%d%d%d%d",&a,&b,&c,&d);
	long long ret=0;
	long long ks=1;
	long long ret2=0;
	for(int i=0;i<a;i++)for(int j=0;j<a;j++){
		printf("? %d %d %d %d\n",i,j,i,j);
		fflush(stdout);
		int t;
		scanf("%d",&t);
		if(t)ret=(ret+ks)%d;
		if(i==0)ret2=(ret2+ks)%d;
		ks=ks*2%d;
	}
	int sz=d%200;
	char *p = new char[sz*1000000];
	for(int i=0;i<sz*1000000;i++)p[i]='e';
	printf("! %lld\n",ret);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:24:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d%d",&a,&b,&c,&d);
                               ^
./Main.cpp:32:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&t);
                 ^

Judge Result