提出 #39671462

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ソースコード 拡げる

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXN=800005;
inline int read() {
    static int x=0,c=getchar(),f=1;
    for(f=1; c<=47||c>=58; c=getchar()) f=f&&(c^45);
    for(x=0; c>=48&&c<=57; c=getchar()) x=(x<<3)+(x<<1)+(c&15);
    return f?x:-x;
}
ll a,b,c;
inline void solve() {
	scanf("%lld%lld%lld",&a,&b,&c);
	if(a>b)swap(a,b);
	if(a>c)swap(a,c);
	if(b>c)swap(b,c);
	if((a+b+c)%3||(a^b)&1||(b^c)&1) {
		printf("-1\n");
	} else {
		ll x=(b-a+c-a)/3+a;
		if((x^a)&1) printf("-1\n");
		else printf("%lld\n",abs(x-a)+abs(x-b)+abs(x-c)>>2);
	}
}
int main() {
    int t;
    scanf("%d",&t);
    while(t--)solve();
    return 0;
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘void solve()’:
./Main.cpp:22:41: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses]
   22 |   else printf("%lld\n",abs(x-a)+abs(x-b)+abs(x-c)>>2);
      |                        ~~~~~~~~~~~~~~~~~^~~~~~~~~
./Main.cpp: In function ‘int main()’:
./Main.cpp:27:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   27 |     scanf("%d",&t);
      |     ~~~~~^~~~~~~~~
./Main.cpp: In function ‘void solve()’:
./Main.cpp:13:7: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   13 |  scanf("%lld%lld%lld",&a,&b,&c);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

ジャッジ結果