Submission #51385705

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
constexpr int mod=998244353;
template<int mod=::mod>ll quickpow(ll x,int k,ll ret=1){
	for(; k; k>>=1,x=x*x%mod)
		(k&1)&&(ret=ret*x%mod);
	return ret;
}
void modp(int&x){
	x>=mod&&(x-=mod);
}
void modn(int&x){
	x<0&&(x+=mod);
}
void modma(int&x,const int a,const int b){
	x=(x+ll(a)*b)%mod;
}
constexpr int max_n=1000000;
int a[max_n+1],b[6];
void test(){
	int n=5;
	for(int i=1; i<=n; ++i)
		scanf("%d",a+i);
	for(int i=1; i<=n; ++i)
		scanf("%d",b+i);
	int sum=(a[5]*2+a[4])-(a[1]*2+a[2]);
	if(sum>=0){
		puts("0");
		return;
	}
	sum=-sum;
	if(b[5]>b[4]*2)
		b[5]=b[4]*2;
	if(b[4]>b[5])
		b[4]=b[5];
	printf("%lld\n",ll(sum/2)*b[5]+sum%2*b[4]);
}
int main(){
//	test();
	int t;
	for(scanf("%d",&t); t; test(),--t);
	return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘void test()’:
Main.cpp:25:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   25 |                 scanf("%d",a+i);
      |                 ~~~~~^~~~~~~~~~
Main.cpp:27:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   27 |                 scanf("%d",b+i);
      |                 ~~~~~^~~~~~~~~~
Main.cpp: In function ‘int main()’:
Main.cpp:43:18: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   43 |         for(scanf("%d",&t); t; test(),--t);
      |             ~~~~~^~~~~~~~~

Judge Result