QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#746002 | #9255. Python Program | gz_zg | AC ✓ | 4ms | 3952kb | C++14 | 1.9kb | 2024-11-14 12:55:02 | 2024-11-14 12:55:02 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
using namespace std;
int a=-1,b=-1,c=1;
int dd=-1,ee=-1,ff=1;
int *d=&dd, *e=&ee, *f=&ff;
void solve()
{
string s; getline(cin,s);//getline(cin,s)可以读取一整行,遇到<换行符>结束,并将输入流中的<换行符>删除
getline(cin,s); char ch=s[4];
char A[10]{},B[10]{},C[10]{};
sscanf(s.c_str(),"%*[\tf]or %*c in range(%[^,)],%[^,)],%[^,)]):",A,B,C);
if(C[0]=='\0')C[0]='1';
a=stoi(A); b=stoi(B); c=stoi(C);//stoi不仅适用于 <string> 还适用于 <字符数组>
getline(cin,s); s=s.substr(4);//s=s.substr(4)将s中的前4个空格字符删除,方便后续的<sscanf>
char D[10]{},E[10]{},F[10]{};
sscanf(s.c_str(),"%*[\tf]or %*c in range(%[^,)],%[^,)],%[^,)]):",D,E,F);
if(F[0]=='\0')F[0]='1';
int loop=666;
if(D[0]==ch)d=&loop;
else *d=stoi(D);
if(E[0]==ch)e=&loop;
else *e=stoi(E);
if(F[0]==ch)f=&loop;
else *f=stoi(F);
if((b-a)*c<=0)cout<<0<<endl;
else
{
if(a<b)
{
int ans=0;
for(loop=a;loop<=b-1;loop+=c)
{
if((*e-*d)*(*f)<=0)continue;
int cnt=(abs((*e) - (*d)) - 1) / abs(*f)+1;
int sum=((*d) + (*d) + (cnt-1) * (*f)) * cnt / 2;
ans+=sum;
}
cout<<ans<<endl;
}
else
{
int ans=0;
for(loop=a;loop>=b+1;loop+=c)
{
if((*e-*d)*(*f)<=0)continue;
int cnt=(abs((*e) - (*d)) - 1) / abs(*f)+1;
int sum=((*d) + (*d) + (cnt-1) * (*f)) * cnt / 2;
ans+=sum;
}
cout<<ans<<endl;
}
}
}
signed main()
{
ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
solve();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3692kb
input:
ans=0 for a in range(1,3): for b in range(5,1,-2): ans+=b print(ans)
output:
16
result:
ok single line: '16'
Test #2:
score: 0
Accepted
time: 1ms
memory: 3952kb
input:
ans=0 for q in range(100,50,-1): for i in range(q,77,20): ans+=i print(ans)
output:
2092
result:
ok single line: '2092'
Test #3:
score: 0
Accepted
time: 4ms
memory: 3684kb
input:
ans=0 for i in range(1,1000000): for j in range(i,1,-1): ans+=j print(ans)
output:
166666666665500001
result:
ok single line: '166666666665500001'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3684kb
input:
ans=0 for i in range(31,321983,2): for j in range(313,382193): ans+=j print(ans)
output:
11756963404587200
result:
ok single line: '11756963404587200'
Test #5:
score: 0
Accepted
time: 3ms
memory: 3784kb
input:
ans=0 for i in range(1,1000000): for j in range(i,114514,-1): ans+=j print(ans)
output:
160610445975856765
result:
ok single line: '160610445975856765'
Extra Test:
score: 0
Extra Test Passed