oj.uz

답안 #25079

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
25079 2017-06-20T06:09:43 Z 윤교준(#1055) Sterilizing Spray (JOI15_sterilizing) C++11
10 / 100
 169 ms 8288 KB 
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <iostream>
#include <algorithm>
#include <vector>
#include <stack>
#include <deque>
#include <queue>
#include <set>
#include <map>
#include <unordered_map>
#include <bitset>
#include <string>
#define pb push_back
#define sz(V) ((int)(V).size())
#define allv(V) ((V).begin()),((V).end())
#define befv(V) ((V)[(sz(V)-2)])
#define sorv(V) sort(allv(V))
#define univ(V) (V).erase(unique(allv(V)),(V).end())
#define upmin(a,b) (a)=min((a),(b))
#define upmax(a,b) (a)=max((a),(b))
#define INF (1100000099)
#define INFLL (1100000000000000099ll)
#define MAXN (100005)
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<int, ll> pil;
typedef pair<ll, int> pli;
struct LAZYSEG {
    ll dt[MAXN<<2], lz[MAXN<<2];
    void init() { fill(lz, lz+(MAXN<<2), 1); }
    void uplz(int idx, int R) { lz[idx] *= R; if(INF < lz[idx]) lz[idx] = INF; }
    void prop(int idx, int S, int E) {
        if(1 == lz[idx]) return;
        dt[idx] /= lz[idx];
        if(S != E) { uplz(idx*2, lz[idx]); uplz(idx*2+1, lz[idx]); }
        lz[idx] = 1;
    }
    void opSeg(int idx, int S, int E, int P, int Q, int R) {
        prop(idx, S, E);
        if(E < P || Q < S) return;
        if(P <= S && E <= Q) { uplz(idx, R); prop(idx, S, E); return; }
        const int M = (S+E)/2;
        opSeg(idx*2, S, M, P, Q, R); opSeg(idx*2+1, M+1, E, P, Q, R);
        //dt[idx] = dt[idx*2] + dt[idx*2+1];
    }
    void inSeg(int idx, int S, int E, int X, int R) {
        prop(idx, S, E); if(E < X || X < S) return;
        if(S == E) { dt[idx] = R; return; }
        const int M = (S+E)/2;
        inSeg(idx*2, S, M, X, R); inSeg(idx*2+1, M+1, E, X, R);
        dt[idx] = dt[idx*2] + dt[idx*2+1];
    }
    ll getSeg(int idx, int S, int E, int P, int Q) {
        prop(idx, S, E);
        if(Q < P || E < P || Q < S) return 0;
        if(P <= S && E <= Q) return dt[idx];
        const int M = (S+E)/2;
        return getSeg(idx*2, S, M, P, Q) + getSeg(idx*2+1, M+1, E, P, Q);
    }
};

LAZYSEG ST;
int N, Q, K;

int main() {
    ST.init();
    scanf("%d%d%d", &N, &Q, &K);
    for(int i = 1, c; i <= N; i++) {
        scanf("%d", &c); ST.inSeg(1, 1, N, i, c);
    }
    for(int type, a, b; Q--;) {
        scanf("%d%d%d", &type, &a, &b);
        if(1 == type) ST.inSeg(1, 1, N, a, b);
        else if(2 == type) ST.opSeg(1, 1, N, a, b, K);
        else printf("%lld\n", ST.getSeg(1, 1, N, a, b));
    }
    return 0;
}

Compilation message

sterilizing.cpp: In function 'int main()':
sterilizing.cpp:72:32: 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:74:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &c); ST.inSeg(1, 1, N, i, c);
                        ^
sterilizing.cpp:77:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d", &type, &a, &b);
                                       ^

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 8288 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 93 ms 8288 KB Output is correct
2 Correct 76 ms 8288 KB Output is correct
3 Correct 69 ms 8288 KB Output is correct
4 Correct 99 ms 8288 KB Output is correct
5 Correct 139 ms 8288 KB Output is correct
6 Correct 163 ms 8288 KB Output is correct
7 Correct 123 ms 8288 KB Output is correct
8 Correct 133 ms 8288 KB Output is correct
9 Correct 153 ms 8288 KB Output is correct
10 Correct 146 ms 8288 KB Output is correct
11 Correct 126 ms 8288 KB Output is correct
12 Correct 136 ms 8288 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 63 ms 8288 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 169 ms 8288 KB Output isn't correct
2 Halted 0 ms 0 KB -