Submission #78657

# Submission time Handle Problem Language Result Execution time Memory
78657 2018-10-06T21:21:07 Z duality Cake (CEOI14_cake) C++11
0 / 100
2000 ms 16420 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) {
    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) {
    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-1);
            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--;
            int l = a,r = a;
            while ((l > b) || (r < b)) {
                int ll = (l == 0) ? MAX_VAL:d[l-1];
                int rr = (r == N-1) ? MAX_VAL:d[r+1];
                if (ll < rr) l--;
                else r++;
            }
            printf("%d\n",r-l);
            /*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:107:27: 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:94:25: 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:95:46: 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:96:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&Q);
     ~~~~~^~~~~~~~~
cake.cpp:99:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf(" %c",&c);
         ~~~~~^~~~~~~~~~
cake.cpp:101:33: 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:110:27: 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 384 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 792 ms 1984 KB Output isn't correct
2 Correct 413 ms 1984 KB Output is correct
3 Incorrect 554 ms 1984 KB Output isn't correct
4 Correct 296 ms 1984 KB Output is correct
5 Incorrect 869 ms 2960 KB Output isn't correct
6 Incorrect 782 ms 2960 KB Output isn't correct
7 Incorrect 580 ms 2960 KB Output isn't correct
8 Correct 371 ms 2960 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 2073 ms 7672 KB Time limit exceeded
2 Execution timed out 2053 ms 7764 KB Time limit exceeded
3 Execution timed out 2078 ms 7764 KB Time limit exceeded
4 Correct 2 ms 7764 KB Output is correct
5 Execution timed out 2063 ms 16252 KB Time limit exceeded
6 Execution timed out 2067 ms 16348 KB Time limit exceeded
7 Execution timed out 2059 ms 16420 KB Time limit exceeded
# Verdict Execution time Memory Grader output
1 Incorrect 138 ms 16420 KB Output isn't correct
2 Incorrect 212 ms 16420 KB Output isn't correct
3 Incorrect 1991 ms 16420 KB Output isn't correct
4 Incorrect 1875 ms 16420 KB Output isn't correct
5 Incorrect 331 ms 16420 KB Output isn't correct
6 Execution timed out 2061 ms 16420 KB Time limit exceeded
7 Incorrect 1097 ms 16420 KB Output isn't correct
8 Incorrect 634 ms 16420 KB Output isn't correct
9 Execution timed out 2063 ms 16420 KB Time limit exceeded
10 Incorrect 1144 ms 16420 KB Output isn't correct
11 Execution timed out 2048 ms 16420 KB Time limit exceeded
12 Execution timed out 2053 ms 16420 KB Time limit exceeded
13 Execution timed out 2053 ms 16420 KB Time limit exceeded