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QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #65104 | #5115. Clone Ranran | sunsea | TL | 2ms | 3244kb | C++14 | 431b | 2022-11-27 16:30:23 | 2022-11-27 16:30:26 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
void solve(){
int a,b,c;
cin>>a>>b>>c;
int t=0;
int z=c;
while(z>1){
t++;
z>>=1;
}
t++;
int ans=0x3f3f3f3f3f;
for(int i=0;i<=t;i++){
int num=(1<<i);
int x=(c/num)+(c%num!=0);
if(ans>=x*b+i*a){
ans=x*b+i*a;
}else{
break;
}
}
cout<<ans<<endl;
}
signed main(){
int _;cin>>_;while(_--) solve();
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 2ms
memory: 3244kb
input:
5 1 1 1 2 3 3 9 9 9 3 26 47 1064 822 1048576
output:
1 7 45 44 21860
result:
ok 5 number(s): "1 7 45 44 21860"
Test #2:
score: -100
Time Limit Exceeded
input:
99500 1000000000 1000000000 1000000000 1000000000 1000000000 999999999 1000000000 1000000000 999999998 1000000000 1000000000 999999997 1000000000 1000000000 999999996 1000000000 1000000000 999999995 1000000000 1000000000 999999994 1000000000 1000000000 999999993 1000000000 1000000000 999999992 10000...
output:
271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 271644049215 2...