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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 |
|---|---|---|---|---|---|---|---|---|---|
| #550701 | #9255. Python Program | ucup-team3584# | WA | 6ms | 3796kb | C++20 | 3.4kb | 2024-09-07 13:56:41 | 2024-09-07 13:56:41 |
Judging History
answer
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef unsigned long long int ull;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll myRand(ll B) { return (ull)rng() % B; }
int main() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
string op;
getline(cin, op);
getline(cin, op);
const ll inf = 1e18;
char i1, i2, i3;
ll a, b, c, d, e, f;
auto read = [&](int &i, ll &x) -> void {
bool minus = false;
if (op[i] == '-') minus = true, i += 1;
if (isdigit(op[i])) {
x = 0;
while (isdigit(op[i])) {
x = x * 10 + op[i] - '0';
i += 1;
}
if (minus) x = -x;
} else {
x = inf;
i += 1;
}
};
i1 = op[4];
for (int i = 0; i < op.size(); ++i) {
if (op.substr(i, 5) == "range") {
i += 6;
read(i, a);
if (op[i] == ',') {
i += 1;
read(i, b);
if (op[i] == ',') {
i += 1;
read(i, c);
} else {
c = 1;
}
}
break;
}
}
getline(cin, op);
i2 = op[8];
for (int i = 0; i < op.size(); ++i) {
if (op.substr(i, 5) == "range") {
i += 6;
read(i, d);
if (op[i] == ',') {
i += 1;
read(i, e);
if (op[i] == ',') {
i += 1;
read(i, f);
} else {
c = 1;
}
}
break;
}
}
getline(cin, op);
for (int i = 0; i < op.size(); ++i) {
if (op[i] == '=') i3 = op[i + 1];
}
ll ans = 0;
if (c > 0) {
for (ll i = a; i < b; i += c) {
ll D = (d == inf ? i : d);
ll E = (e == inf ? i : e);
ll F = (f == inf ? i : f);
if (F > 0) {
ll cnt = 0;
if (D < E) cnt = (E - D - 1) / F + 1;
if (i1 == i3) ans += cnt * i;
else {
ans += (D + D + (cnt - 1) * F) * cnt / 2;
}
} else {
ll cnt = 0;
if (D > E) cnt = (D - E - 1) / abs(F) + 1;
if (i1 == i3) ans += cnt * i;
else {
ans += (D + D + (cnt - 1) * F) * cnt / 2;
}
}
}
} else {
for (int i = a; i > b; i += c) {
ll D = (d == inf ? i : d);
ll E = (e == inf ? i : e);
ll F = (f == inf ? i : f);
if (F > 0) {
ll cnt = 0;
if (D < E) cnt = (E - D - 1) / F + 1;
if (i1 == i3) ans += cnt * i;
else {
ans += (D + D + (cnt - 1) * F) * cnt / 2;
}
} else {
ll cnt = 0;
if (D > E) cnt = (D - E - 1) / abs(F) + 1;
if (i1 == i3) ans += cnt * i;
else {
ans += (D + D + (cnt - 1) * F) * cnt / 2;
}
}
}
}
cout << ans << endl;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3796kb
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: 0ms
memory: 3624kb
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: 6ms
memory: 3620kb
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: -100
Wrong Answer
time: 2ms
memory: 3560kb
input:
ans=0
for i in range(31,321983,2):
for j in range(313,382193):
ans+=j
print(ans)
output:
904360551174144
result:
wrong answer 1st lines differ - expected: '11756963404587200', found: '904360551174144'