oj.uz

Submission #25088

# Submission time Handle Problem Language Result Execution time Memory
25088 2017-06-20T06:26:11 Z 윤교준(#1055) Sterilizing Spray (JOI15_sterilizing) C++11
10 / 100
 3756 ms 8276 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, ll R) { lz[idx] *= R; if(INF < lz[idx]) lz[idx] = INF; }
    void prop(int idx, int S, int E) {
        //printf("prop %d %d %d : %lld\n", idx, S, E, lz[idx]);
        if(1 == lz[idx]) return;
        while(1) puts("?");
        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) {
        //printf("opSeg %d %d %d %d %d %d\n", idx, S, E, P, Q, 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:75:32: 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:77:24: 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:80:39: 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

# Verdict Execution time Memory Grader output
1 Runtime error 3756 ms 8276 KB Execution timed out (wall clock limit exceeded)
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 136 ms 8276 KB Output is correct
2 Correct 113 ms 8276 KB Output is correct
3 Correct 99 ms 8276 KB Output is correct
4 Correct 123 ms 8276 KB Output is correct
5 Correct 169 ms 8276 KB Output is correct
6 Correct 146 ms 8276 KB Output is correct
7 Correct 149 ms 8276 KB Output is correct
8 Correct 179 ms 8276 KB Output is correct
9 Correct 163 ms 8276 KB Output is correct
10 Correct 156 ms 8276 KB Output is correct
11 Correct 149 ms 8276 KB Output is correct
12 Correct 149 ms 8276 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 0 KB -1: Interrupted system call
2 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Runtime error 3729 ms 8276 KB Execution timed out (wall clock limit exceeded)
2 Halted 0 ms 0 KB -