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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
#637195#8057. Best Carry Player 4ucup-team073#WA 10ms9904kbC++203.1kb2024-10-13 10:55:392024-10-13 10:55:40

Judging History

你现在查看的是最新测评结果

  • [2024-10-13 10:55:40]
  • 评测
  • 测评结果:WA
  • 用时:10ms
  • 内存:9904kb
  • [2024-10-13 10:55:39]
  • 提交

answer

#include<bits/stdc++.h>
#ifdef LOCAL
#define debug(...) printf(__VA_ARGS__)
#define edebug(...) fprintf(stderr, __VA_ARGS__)
#else
#define debug(...)
#define edebug(...)
#endif
#define int ll
#define rep(i, x, y) for(int i = x; i <= y; ++i)
#define nrep(i, x, y) for(int i = x; i >= y; --i)
#define ll long long
#define pii std::pair<int,int>
#define pb emplace_back
#define fi first
#define se second
template <class T> 
inline void ckmax(T &a, T b) {
  if(a < b) a = b;
}
template <class T> 
inline void ckmin(T &a, T b) {
  if(a > b) a = b;
}
auto rt_YES = []{puts("YES");};
auto rt_Yes = []{puts("Yes");};
auto rt_NO = []{puts("NO");};
auto rt_No = []{puts("No");};
namespace IO {
#define isdigit(x) (x >= '0' && x <= '9')
  inline char gc() {
    return getchar();
  }
  inline bool blank(char ch) {
    return ch == ' ' || ch == '\n' || ch == '\r' || ch == '\t';
  }
  template <class T>
  inline void read(T &x) {
    double tmp = 1;
    bool sign = 0;
    x = 0;
    char ch = gc();
    for(; !isdigit(ch); ch = gc())
      if(ch == '-') sign = 1;
    for(; isdigit(ch); ch = gc())
      x = x * 10 + (ch - '0');
    if(ch == '.')
      for(ch = gc(); isdigit(ch); ch = gc())
        tmp /= 10.0, x += tmp * (ch - '0');
    if(sign) x = -x;
  }
  inline void read(char *s) {
    char ch = gc();
    for(; blank(ch); ch = gc());
    for(; !blank(ch); ch = gc())
      *s++ = ch;
    *s = 0;
  }
  inline void read(char &c) {
    for(c = gc(); blank(c); c = gc());
  }
  inline void push(const char &c) {
    putchar(c);
  }
  template <class T>
  inline void print(T x) {
    if(x < 0) {
      x = -x;
      push('-');
    }
    static T sta[35];
    T top = 0;
    do {
      sta[top++] = x % 10;
      x /= 10;
    } while(x);
    while(top)
      push(sta[--top] + '0');
  }
  template <class T>
  inline void print(T x, char lastChar) {
    print(x);
    push(lastChar);
  }
}
using namespace IO;

int m,a[500010],b[500010],A[500010],B[500010];
int Solve(){
  int flag=0,pos=0,ans=0;
  rep(i,1,m)if(a[i])pos=i;
  if(pos==0)return 0;
  rep(i,m-pos+2,m)if(b[i])flag=-1;
  if(!flag)return 0;
  flag=0;
  nrep(i,m,1){
    if(a[i]>b[m-i+1]){
      ans+=b[m-i+1];
      a[i-1]+=a[i]-b[m-i+1];
      b[m-i+1]=0;
      if(flag)flag=2;
      else flag=1;
    }
    else{
      ans+=a[i];
      b[m-i+1]-=a[i];
      if(flag)flag=2;
    }
  }
  ans+=b[m];
  rep(i,1,m-1)if(b[i]&&pos>m-i+1)flag=2;
  if(flag<2)--ans;
  return ans;
}
void solve(){
  read(m);
  rep(i,1,m)read(a[i]),A[i]=a[i];
  rep(i,1,m)read(b[i]),B[i]=b[i];
  int ans=Solve();
  rep(i,1,m)a[i]=B[i],b[i]=A[i];
  ckmax(ans,Solve());
  print(ans,'\n');
}

signed main() {
  clock_t c1 = clock();
#ifdef LOCAL
  freopen("in.in", "r", stdin);
  freopen("out.out", "w", stdout);
#endif
//------------------------------------------------------------------

  int t;read(t);while(t--)solve();

//------------------------------------------------------------------
end:
  std::cerr << "Time : " << clock() - c1 << " ms" << std::endl;
  return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 9904kb

input:

5
2
1 2
3 4
3
1 0 1
0 1 0
4
1 0 0 1
1 1 1 1
5
123456 114514 1919810 233333 234567
20050815 998244353 0 0 0
10
5 3 5 3 2 4 2 4 1 5
9 9 8 2 4 4 3 5 3 0

output:

5
1
2
467900
29

result:

ok 5 number(s): "5 1 2 467900 29"

Test #2:

score: -100
Wrong Answer
time: 10ms
memory: 9844kb

input:

100000
5
0 1 1 1 1
0 0 1 0 0
5
0 0 0 0 0
1 1 1 0 0
5
0 0 2 1 1
0 2 1 0 1
5
0 0 0 0 0
1 2 1 0 0
5
0 1 0 1 1
0 0 1 1 1
5
2 0 0 0 1
1 0 0 0 3
5
2 0 0 1 1
0 2 1 1 1
5
0 0 0 0 2
0 0 0 0 1
5
0 0 0 0 0
0 1 1 0 0
5
4 0 0 0 0
0 0 0 1 0
5
0 0 0 0 1
2 1 1 0 0
5
0 2 3 0 0
0 0 0 1 0
5
1 1 1 0 1
1 0 1 0 1
5
0 0 0...

output:

2
0
4
0
3
3
3
2
0
0
1
1
3
0
3
0
0
0
0
0
0
0
4
0
4
1
0
2
3
3
1
5
0
0
2
0
0
1
1
0
0
3
5
3
2
2
2
0
1
2
2
2
0
3
0
2
1
1
0
1
0
4
0
0
2
2
0
3
3
0
2
0
1
0
0
1
1
2
0
3
4
0
2
5
0
2
1
0
0
0
3
2
3
0
2
0
4
3
3
0
2
2
0
1
3
1
1
0
0
0
1
0
3
2
2
0
2
1
1
0
2
0
0
2
4
1
3
3
2
2
2
0
2
0
0
2
3
1
3
1
0
2
2
3
0
1
2
0
1
1
...

result:

wrong answer 121st numbers differ - expected: '1', found: '2'