제출 #68308

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
68308		duality	Sterilizing Spray (JOI15_sterilizing)	C++11	100 / 100	282 ms	72356 KiB

sterilizing

#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 C[100000];
LLI bit[100001];
LLI query(int i) {
    LLI sum = 0;
    for (i++; i > 0; i -= i & (-i)) sum += bit[i];
    return sum;
}
int update(int i,LLI num,int N) {
    for (i++; i <= N; i += i & (-i)) bit[i] += num;
    return 0;
}
set<int> s;
int main() {
    int i;
    int N,Q,K;
    int S,T,U;
    scanf("%d %d %d",&N,&Q,&K);
    for (i = 0; i < N; i++) {
        scanf("%d",&C[i]),update(i,C[i],N);
        if (C[i] > 0) s.insert(i);
    }
    for (i = 0; i < Q; i++) {
        scanf("%d %d %d",&S,&T,&U);
        if (S == 1) {
            T--;
            update(T,U-C[T],N),C[T] = U;
            if ((K > 1) && (U > 0)) s.insert(T);
        }
        else if (S == 2) {
            T--,U--;
            if (K > 1) {
                auto it = s.lower_bound(T);
                while ((it != s.end()) && (*it <= U)) {
                    update(*it,(C[*it]/K)-C[*it],N);
                    C[*it] /= K;
                    if (C[*it] == 0) it = s.erase(it);
                    else it++;
                }
            }
        }
        else printf("%lld\n",query(U-1)-query(T-2));
    }

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

sterilizing.cpp: In function 'int main()':
sterilizing.cpp:74:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d",&N,&Q,&K);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~
sterilizing.cpp:76:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&C[i]),update(i,C[i],N);
         ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
sterilizing.cpp:80:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d",&S,&T,&U);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 75 / 75