| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 255087 |
2020-07-31T09:06:01 Z |
Vimmer |
Slon (COCI15_slon) |
C++14 |
|
1000 ms |
764 KB |
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")
#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define pf push_front
#define N 100050
#define M ll(1e9 + 7)
#define inf 1e9 + 1e9
using namespace std;
//using namespace __gnu_pbds;
typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef short int si;
typedef array <ll, 3> a3;
typedef array <ll, 5> a5;
//typedef tree <ll, null_type, less_equal<ll>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
string a;
bool gd(int x) {return a[x] != '+' && a[x] != '-' && a[x] != '*' && a[x] != '(' && a[x] != ')';}
pair <pair <ll, ll>, int> calc(int v)
{
ll kf = 0, val = 0, otr = 1;
for (int i = v + 1; i < sz(a); i++)
{
if (a[i] == ')') return {{val, kf}, i + 1};
if (a[i] == '(')
{
pair <pair <ll, ll>, int> pt = calc(i);
i = pt.S;
if (a[i] != '*')
{
val += otr * pt.F.F;
kf += otr * pt.F.S;
i--;
continue;
}
else
{
ll cur = max(1ll, pt.F.F), kft = 0, from = 1;
if (pt.F.S != 0) {from = max(1ll, pt.F.F); kft = pt.F.S;}
i++;
while (1)
{
if (a[i] == '(')
{
pair <pair <ll, ll>, int> pt = calc(i);
if (pt.F.F != 0) cur *= pt.F.F;
if (pt.F.S != 0) {kft = pt.F.S; if (pt.F.F != 0) from = pt.F.F;}
i = pt.S;
if (a[i] == '*') {i++; continue;}
kft *= cur; kft /= from;
kf += kft * otr;
if (kft == 0) val += cur * otr;
if (a[i] == '+') otr = 1;
if (a[i] == '-') otr--;
if (a[i] == ')') return {{val, kf}, i + 1};
break;
}
ll num = 0, j = 0;
while (i + j + 1 < sz(a) && gd(i + j + 1)) j++;
for (int u = i; u <= i + j; u++) {num *= 10; num += a[u] - '0';}
if (j == 0 && a[i + j] == 'x') num = -1;
if (num == -1) kft = 1; else cur *= num;
i += j + 1;
if (a[i] == '*') {i++; continue;}
kft *= cur; kft /= from;
kf += kft * otr;
if (kft == 0) val += cur * otr;
if (a[i] == '+') otr = 1;
if (a[i] == '-') otr--;
if (a[i] == ')') return {{val, kf}, i + 1};
break;
}
}
continue;
}
if (a[i] == '+') {otr = 1; continue;}
if (a[i] == '-') {otr = -1; continue;}
int j = 0;
ll num = 0;
while (i + j + 1 < sz(a) && gd(i + j + 1)) j++;
for (int u = i; u <= i + j; u++) {num *= 10; num += a[u] - '0';}
if (j == 0 && a[i + j] == 'x') num = -1;
i += j + 1;
if (a[i] == '+') {if (num != -1) val += otr * num; else kf += otr; otr = 1; continue;}
if (a[i] == '-') {if (num != -1) val += otr * num; else kf += otr; otr = -1; continue;}
if (a[i] == ')')
{
if (num == -1) kf += otr;
else val += otr * num;
return {{val, kf}, i + 1};
}
{
ll cur = 1, kft = 0, from = 1;
if (num != -1) cur = num; else kft = 1;
i++;
while (1)
{
if (a[i] == '(')
{
pair <pair <ll, ll>, int> pt = calc(i);
if (pt.F.F != 0) cur *= pt.F.F;
if (pt.F.S != 0) {kft = pt.F.S; if (pt.F.F != 0) from = pt.F.F;}
i = pt.S;
if (a[i] == '*') {i++; continue;}
kft *= cur; kft /= from;
kf += kft * otr;
if (kft == 0) val += cur * otr;
if (a[i] == '+') otr = 1;
if (a[i] == '-') otr--;
if (a[i] == ')') return {{val, kf}, i + 1};
break;
}
ll num = 0, j = 0;
while (i + j + 1 < sz(a) && gd(i + j + 1)) j++;
for (int u = i; u <= i + j; u++) {num *= 10; num += a[u] - '0';}
if (j == 0 && a[i + j] == 'x') num = -1;
if (num == -1) kft = 1; else cur *= num;
i += j + 1;
if (a[i] == '*') {i++; continue;}
kft *= cur; kft /= from;
kf += kft * otr;
if (kft == 0) val += cur * otr;
if (a[i] == '+') otr = 1;
if (a[i] == '-') otr--;
if (a[i] == ')') return {{val, kf}, i + 1};
break;
}
}
}
}
int main()
{
//freopen("input.txt", "r", stdin); //freopen("output4.txt", "w", stdout);
ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> a;
a = '(' + a;
a = a + ')';
pair <pair <ll, ll>, int> pt = calc(0);
ll val = pt.F.F, kf = pt.F.S;
//cout << val << " " << kf << endl;
ll p, m;
cin >> p >> m;
ll x = 0;
while (1)
{
if ((x * kf + val) % m == p) {cout << x << endl; exit(0);}
x++;
}
}
Compilation message
slon.cpp: In function 'std::pair<std::pair<long long int, long long int>, int> calc(int)':
slon.cpp:223:1: warning: control reaches end of non-void function [-Wreturn-type]
}
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
| 2 |
Incorrect |
3 ms |
764 KB |
Output isn't correct |
| 3 |
Execution timed out |
1094 ms |
256 KB |
Time limit exceeded |
| 4 |
Incorrect |
15 ms |
384 KB |
Output isn't correct |
| 5 |
Execution timed out |
1092 ms |
384 KB |
Time limit exceeded |
| 6 |
Incorrect |
5 ms |
384 KB |
Output isn't correct |
| 7 |
Incorrect |
1 ms |
384 KB |
Output isn't correct |
| 8 |
Incorrect |
22 ms |
512 KB |
Output isn't correct |
| 9 |
Incorrect |
2 ms |
512 KB |
Output isn't correct |
| 10 |
Incorrect |
2 ms |
640 KB |
Output isn't correct |
