提出 #42233535

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ソースコード 拡げる

#include<cstdio> 
#include<cstring>
#include<cstdlib>
#include<algorithm>
#include<ctime>
using namespace std;
typedef long long LL;
inline void zwap(LL &x,LL &y){x^=y^=x^=y;}
LL mod;
inline LL ksm(LL x,LL y){
	LL ans=1;
	while(y){
		if(y&1)ans=ans*x%mod;
		x=x*x%mod;y>>=1;
	}
	return ans;
}
LL n;
inline LL ni(LL x){return ksm(x,mod-2);}
int main(){
	srand(999);
	int T;scanf("%d",&T);
	while(T--){
		scanf("%lld%lld",&n,&mod);
		while(1){
			LL x=rand()%(mod-1)+1,y=rand()%(mod-1)+1,z=rand()%(mod-1)+1;
			if(x==y || y==z || x==z)continue;
			LL nx=ksm(x,n),ny=ksm(y,n),nz=ksm(z,n);
			LL s1=(x+y+z)%mod,s2=(nx+ny+nz)%mod,s3=(nx*nx+ny*ny+nz*nz)%mod;
			if(!s1 || !s2 || !s3)continue;
			LL s4=(nx*nx%mod*nx+ny*ny%mod*ny+nz*nz%mod*nz)%mod;
			if(!s4)continue;
			LL ns=ni(s4);
			LL t=ns*s1%mod*s2%mod*s3%mod;
			t=ni(t);
			LL ax=t*x%mod,ay=t*y%mod,az=t*z%mod;
			if(ax>ay)zwap(ax,ay);
			if(ay>az)zwap(ay,az);
			if(ax>ay)zwap(ax,ay);
			printf("%lld %lld %lld\n",ax,ay,az);
			break;
		}
	}
	return 0;
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘int main()’:
./Main.cpp:22:13: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   22 |  int T;scanf("%d",&T);
      |        ~~~~~^~~~~~~~~
./Main.cpp:24:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   24 |   scanf("%lld%lld",&n,&mod);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~

ジャッジ結果