提出 #26644137

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ソースコード 拡げる

#include<bits/stdc++.h>
using namespace std;
int main(){
	int N, A[100000], B[100000];
	double time=0,ans=0;
	cin>>N;
	for(int i=0;i<N;i++){
		cin>>A[i]>>B[i];
		time+=(double)A[i]/B[i];
	}
	time/=2;
	for(int i=0;i<N;i++){
		if(time>=(double)A[i]/B[i]){
			ans+=(double)A[i];
			time-=(double)A[i]/B[i];
		}else{
			ans+=(double)time*B[i];	
		}
	}
	cout<<  fixed  <<  setprecision(15)	<< ans; 
}

#include<bits/stdc++.h>
using namespace std;
int main(){
	int N, A[100000], B[100000];
	double time=0,ans=0;
	cin>>N;
	for(int i=0;i<N;i++){
		cin>>A[i]>>B[i];
		time+=(double)A[i]/B[i];
	}
	time/=2;
	for(int i=0;i<N;i++){
		if(time>=(double)A[i]/B[i]){
			ans+=(double)A[i];
			time-=(double)A[i]/B[i];
		}else{
			ans+=(double)time*B[i];	
		}
	}
	cout<<  fixed  <<  setprecision(15)	<< ans; 
}

提出情報

コンパイルエラー

./Main.cpp:25:5: error: redefinition of ‘int main()’
   25 | int main(){
      |     ^~~~
./Main.cpp:3:5: note: ‘int main()’ previously defined here
    3 | int main(){
      |     ^~~~