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#include <bits/stdc++.h>
//#pragma GCC optimize("O3")
//#pragma GCC optimize("Ofast,no-stack-protector")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx")
//#pragma GCC target("avx,tune=native")
//float __attribute__((aligned(32)))
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef unsigned int uint;
int mysqrt(ll x){
int l = 0, r = 1e9 + 1;
while (r - l > 1){
int m = (l + r) / 2;
if (m * (ll)m <= x)
l = m;
else
r = m;
}
return l;
}
mt19937 rnd(1337);
mt19937_64 rndll(12365);
ll AR = 19, BR = 13, CR = 23, XR = 228, YR = 322, MODR = 1e9 + 993;
ll myrand(){
ll ZR = (XR * AR + YR * BR + CR) % MODR;
XR = YR;
YR = ZR;
return ZR;
}
const int Mod = 1e9 + 7;
int bpow(int x, int y){
if (y == 0)
return 1;
if (y == 1)
return x;
int ret = bpow(x, y >> 1);
ret = (ret * (ll)ret) % Mod;
if (y & 1)
ret = (ret * (ll)x) % Mod;
return ret;
}
int bdiv(int x, int y){
return (x * (ll)bpow(y, Mod - 2)) % Mod;
}
void setmin(int &x, int y){
x = min(x, y);
}
void setmax(int &x, int y){
x = max(x, y);
}
void setmin(ll &x, ll y){
x = min(x, y);
}
void setmax(ll &x, ll y){
x = max(x, y);
}
int gcd(int a, int b){
return a ? gcd(b % a, a) : b;
}
const ll llinf = 2e18 + 100;
const double eps = 1e-9;
const int maxn = 1e5 + 100, maxw = 1e6 + 100, inf = 2e9 + 100, sq = 300, mod = 1e9 + 7, LG = 17;
int q[2][5];
int main()
{
#ifdef ONPC
//ifstream cin("a.in");
//ofstream cout("a.out");
freopen("a.in", "r", stdin);
freopen("a.out", "w", stdout);
#else
//ifstream cin("gymnasts.in");
//ofstream cout("gymnasts.out");
//freopen("post.in", "r", stdin);
//freopen("post.out", "w", stdout);
#endif // ONPC
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
q[0][0] = 1;
int n;
cin >> n;
while (n--){
int L, R;
cin >> L >> R;
for (int o = 0; o < 5; o++){
int l = L, r = R;
if (l % 5 <= o)
l += o - l % 5;
else
l += o + 5 - l % 5;
if (r % 5 >= o)
r -= r % 5 - o;
else
r -= r % 5 + 5 - o;
int cnt = (l <= r ? (r - l + 5) / 5 : 0);
for (int i = 0; i < 5; i++)
q[1][(i + o) % 5] += q[0][i] * cnt;
}
for (int i = 0; i < 5; i++)
q[0][i] = q[1][i], q[1][i] = 0;
}
int ans = 0;
for (int i = 0; i < 5; i++)
ans += q[0][i] * ((i * i * i * i + 2 * i * i) % 5 + 1);
cout << ans;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
248 KB |
Output is correct |
| 2 |
Correct |
2 ms |
352 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
424 KB |
Output is correct |
| 2 |
Correct |
2 ms |
552 KB |
Output is correct |
| 3 |
Correct |
2 ms |
552 KB |
Output is correct |
| 4 |
Correct |
1 ms |
552 KB |
Output is correct |
| 5 |
Correct |
2 ms |
644 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
644 KB |
Output is correct |
| 2 |
Correct |
1 ms |
644 KB |
Output is correct |
| 3 |
Correct |
1 ms |
644 KB |
Output is correct |
| 4 |
Correct |
2 ms |
644 KB |
Output is correct |
| 5 |
Correct |
1 ms |
644 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
644 KB |
Output is correct |
| 2 |
Correct |
2 ms |
644 KB |
Output is correct |
| 3 |
Correct |
2 ms |
644 KB |
Output is correct |
| 4 |
Correct |
1 ms |
644 KB |
Output is correct |
| 5 |
Correct |
2 ms |
644 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
644 KB |
Output is correct |
| 2 |
Correct |
2 ms |
644 KB |
Output is correct |
| 3 |
Correct |
2 ms |
644 KB |
Output is correct |
| 4 |
Correct |
2 ms |
644 KB |
Output is correct |
| 5 |
Correct |
2 ms |
644 KB |
Output is correct |
