Submission #78660

# Submission time Handle Problem Language Result Execution time Memory
78660 2018-10-06T21:35:08 Z duality Cake (CEOI14_cake) C++11
0 / 100
2000 ms 15676 KB
#define DEBUG 0

#include <bits/stdc++.h>
using namespace std;

#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}

// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
    public:
        template<typename T>
        _Debug& operator,(T val) {
            cout << val << endl;
            return *this;
        }
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif

// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back

// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;

// ---------- END OF TEMPLATE ----------

int d[250000];
set<pii,greater<pii> > S;
int tree[1 << 19];
int build(int s,int e,int i) {
    if (s == e) {
        tree[i] = d[s];
        return tree[i];
    }

    int mid = (s+e) / 2;
    tree[i] = max(build(s,mid,2*i+1),build(mid+1,e,2*i+2));
    return tree[i];
}
int update(int s,int e,int ai,int i,int num) {
    d[ai] = num;
    return 0;
    if ((s > ai) || (e < ai)) return tree[i];
    else if (s == e) {
        tree[i] = d[s] = num;
        return tree[i];
    }

    int mid = (s+e) / 2;
    tree[i] = max(update(s,mid,ai,2*i+1,num),update(mid+1,e,ai,2*i+2,num));
    return tree[i];
}
int query(int s,int e,int qs,int qe,int i) {
    int m = d[qs];
    for (i = qs; i <= qe; i++) m = max(m,d[i]);
    return m;
    if ((s > qe) || (e < qs)) return 0;
    else if ((s >= qs) && (e <= qe)) return tree[i];

    int mid = (s+e) / 2;
    return max(query(s,mid,qs,qe,2*i+1),query(mid+1,e,qs,qe,2*i+2));
}
int main() {
    int i,j;
    int N,Q,a;
    char c;
    int p,e,b;
    scanf("%d %d",&N,&a),a--;
    for (i = 0; i < N; i++) scanf("%d",&d[i]),S.insert(mp(d[i],i));
    scanf("%d",&Q);
    build(0,N-1,0);
    for (i = 0; i < Q; i++) {
        scanf(" %c",&c);
        if (c == 'E') {
            scanf("%d %d",&p,&e),p--;
            vpii v;
            for (j = 0; j < e-1; j++) v.pb(*S.begin()),S.erase(S.begin());
            S.erase(mp(d[p],p));
            update(0,N-1,p,0,(e == 1) ? N+i+1:v.back().first);
            S.insert(mp(d[p],p));
            for (j = 0; j < v.size(); j++) update(0,N-1,v[j].second,0,v[j].first+1),S.insert(mp(v[j].first+1,v[j].second));
        }
        else {
            scanf("%d",&b),b--;
            if (a == b) printf("0\n");
            else if (a < b) {
                int x = query(0,N-1,a,b,0);
                int l = 0,r = a;
                while (l < r) {
                    int m = (l+r) / 2;
                    if (query(0,N-1,m,b,0) <= x) r = m;
                    else l = m+1;
                }
                printf("%d\n",b-l);
            }
            else {
                int x = query(0,N-1,b,a,0);
                int l = a,r = N-1;
                while (l < r) {
                    int m = (l+r+1) / 2;
                    if (query(0,N-1,b,m,0) <= x) l = m;
                    else r = m-1;
                }
                printf("%d\n",l-b);
            }
        }
    }

    return 0;
}

Compilation message

cake.cpp: In function 'int main()':
cake.cpp:112:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (j = 0; j < v.size(); j++) update(0,N-1,v[j].second,0,v[j].first+1),S.insert(mp(v[j].first+1,v[j].second));
                         ~~^~~~~~~~~~
cake.cpp:99:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&N,&a),a--;
     ~~~~~~~~~~~~~~~~~~~~^~~~
cake.cpp:100:46: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (i = 0; i < N; i++) scanf("%d",&d[i]),S.insert(mp(d[i],i));
                             ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
cake.cpp:101:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&Q);
     ~~~~~^~~~~~~~~
cake.cpp:104:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf(" %c",&c);
         ~~~~~^~~~~~~~~~
cake.cpp:106:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d %d",&p,&e),p--;
             ~~~~~~~~~~~~~~~~~~~~^~~~
cake.cpp:115:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d",&b),b--;
             ~~~~~~~~~~~~~~^~~~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Incorrect 2 ms 508 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 498 ms 1056 KB Output is correct
2 Incorrect 331 ms 1228 KB Output isn't correct
3 Correct 375 ms 1232 KB Output is correct
4 Correct 243 ms 1232 KB Output is correct
5 Correct 655 ms 2052 KB Output is correct
6 Incorrect 531 ms 2176 KB Output isn't correct
7 Correct 414 ms 2176 KB Output is correct
8 Correct 365 ms 2196 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 2068 ms 6824 KB Time limit exceeded
2 Execution timed out 2075 ms 6848 KB Time limit exceeded
3 Execution timed out 2055 ms 6848 KB Time limit exceeded
4 Incorrect 2 ms 6848 KB Output isn't correct
5 Execution timed out 2071 ms 15372 KB Time limit exceeded
6 Execution timed out 2066 ms 15432 KB Time limit exceeded
7 Execution timed out 2078 ms 15620 KB Time limit exceeded
# Verdict Execution time Memory Grader output
1 Incorrect 427 ms 15620 KB Output isn't correct
2 Incorrect 818 ms 15620 KB Output isn't correct
3 Execution timed out 2067 ms 15620 KB Time limit exceeded
4 Execution timed out 2052 ms 15620 KB Time limit exceeded
5 Incorrect 853 ms 15620 KB Output isn't correct
6 Execution timed out 2061 ms 15620 KB Time limit exceeded
7 Execution timed out 2075 ms 15620 KB Time limit exceeded
8 Correct 1653 ms 15620 KB Output is correct
9 Execution timed out 2068 ms 15676 KB Time limit exceeded
10 Execution timed out 2064 ms 15676 KB Time limit exceeded
11 Execution timed out 2057 ms 15676 KB Time limit exceeded
12 Execution timed out 2059 ms 15676 KB Time limit exceeded
13 Execution timed out 2060 ms 15676 KB Time limit exceeded