Submission #8926102
Source Code Expand
#include<bits/stdc++.h>
using namespace std;
const int N = 1e5 + 11;
#define LL long long
LL ans, now;
int n, m, a[N], cha[N];
int tag[N], add, tong[N];
int main(){
freopen("arc077e.in", "r", stdin);
//freopen("arc077e.out", "w", stdout);
cin>>n>>m;
for(int i = 1;i <= n; i++){
scanf("%d", &a[i]);
if(i > 1){
cha[i] = a[i] - a[i-1] + (a[i] - a[i-1] < 0 ? m : 0);
int x = (a[i] + 2 - cha[i] + m) % m;
if(x == 0)x += m;
int y = (a[i] + 1) % m;
if(y == 0)y += m;
if(a[i] < cha[i] - 1){
tag[1]--;
tong[1] += a[i] - cha[i];
if(y > 1){
tong[y] += cha[i];
tag[y]++;
}
tong[x]--;
tag[x]--;
}
else{
tong[x]--;
tag[x]--;
if(y > x)tong[y] += cha[i], tag[y]++;
}
}
ans += cha[i];
}
now = ans;
for(int i = 1;i <= m; i++){
now += add + tong[i];
add += tag[i];
ans = min(ans, now);
}
cout<<ans<<endl;
return 0;
}
Submission Info
Submission Time |
|
Task |
E - guruguru |
User |
ice_heart |
Language |
C++14 (GCC 5.4.1) |
Score |
0 |
Code Size |
1232 Byte |
Status |
WA |
Exec Time |
1 ms |
Memory |
256 KB |
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:9:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
freopen("arc077e.in", "r", stdin);
^
./Main.cpp:13:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &a[i]);
^
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
0 / 700 |
Status |
|
|
Set Name |
Test Cases |
Sample |
sample1.txt, sample2.txt |
All |
half0.txt, half1.txt, half2.txt, half3.txt, half4.txt, min_m.txt, min_n.txt, mx0.txt, mx1.txt, mx2.txt, rnd0.txt, rnd1.txt, rnd2.txt, rnd3.txt, rnd4.txt, rnd5.txt, rnd6.txt, rnd7.txt, rnd8.txt, rnd9.txt, sample1.txt, sample2.txt |
Case Name |
Status |
Exec Time |
Memory |
half0.txt |
WA |
1 ms |
256 KB |
half1.txt |
WA |
1 ms |
256 KB |
half2.txt |
WA |
1 ms |
256 KB |
half3.txt |
WA |
1 ms |
256 KB |
half4.txt |
WA |
1 ms |
256 KB |
min_m.txt |
WA |
1 ms |
256 KB |
min_n.txt |
WA |
1 ms |
256 KB |
mx0.txt |
WA |
1 ms |
256 KB |
mx1.txt |
WA |
1 ms |
256 KB |
mx2.txt |
WA |
1 ms |
256 KB |
rnd0.txt |
WA |
1 ms |
256 KB |
rnd1.txt |
WA |
1 ms |
256 KB |
rnd2.txt |
WA |
1 ms |
256 KB |
rnd3.txt |
WA |
1 ms |
256 KB |
rnd4.txt |
WA |
1 ms |
256 KB |
rnd5.txt |
WA |
1 ms |
256 KB |
rnd6.txt |
WA |
1 ms |
256 KB |
rnd7.txt |
WA |
1 ms |
256 KB |
rnd8.txt |
WA |
1 ms |
256 KB |
rnd9.txt |
WA |
1 ms |
256 KB |
sample1.txt |
WA |
1 ms |
256 KB |
sample2.txt |
WA |
1 ms |
256 KB |