oj.uz

Submission #25129

# Submission time Handle Problem Language Result Execution time Memory
25129 2017-06-20T07:32:40 Z 시제연(#1054) Sterilizing Spray (JOI15_sterilizing) C++
10 / 100
 109 ms 4912 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int n, q, k;
ll arr[100100];

ll tree[270000];
int key = 131072;
void upd(int idx, ll val) {
    idx+=key;
    tree[idx] = val;
    idx>>=1;
    while(idx>0) {
        tree[idx] = tree[idx*2]+tree[idx*2+1];
        idx>>=1;
    }
}
ll getv(int s, int e) {
    ll res = 0;
    s+=key; e+=key;
    while(s<=e) {
        if (s&1) res += tree[s++];
        if (~e&1) res += tree[e--];
        s>>=1;e>>=1;
    }
    return res;
}
void solve1() {
    int i;
    for (i=0;i<n;i++) upd(i,arr[i]);
    for (i=0;i<q;i++) {
        int a, b, c;
        scanf("%d%d%d",&a,&b,&c);
        if (a==1) upd(b-1,c);
        else if (a==3) printf("%lld\n",getv(b-1,c-1));
    }
}

void solve() {
}

int main() {
    int i;
    scanf("%d%d%d",&n,&q,&k);
    for (i=0;i<n;i++) scanf("%lld",&arr[i]);
    if (k==1) solve1();
    else solve();

    return 0;
}

Compilation message

sterilizing.cpp: In function 'void solve1()':
sterilizing.cpp:36:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d",&a,&b,&c);
                                 ^
sterilizing.cpp: In function 'int main()':
sterilizing.cpp:47:29: 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:48:44: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (i=0;i<n;i++) scanf("%lld",&arr[i]);
                                            ^

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 4912 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 4912 KB Output is correct
2 Correct 46 ms 4912 KB Output is correct
3 Correct 63 ms 4912 KB Output is correct
4 Correct 69 ms 4912 KB Output is correct
5 Correct 83 ms 4912 KB Output is correct
6 Correct 109 ms 4912 KB Output is correct
7 Correct 99 ms 4912 KB Output is correct
8 Correct 79 ms 4912 KB Output is correct
9 Correct 89 ms 4912 KB Output is correct
10 Correct 79 ms 4912 KB Output is correct
11 Correct 59 ms 4912 KB Output is correct
12 Correct 83 ms 4912 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 4912 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 4912 KB Output isn't correct
2 Halted 0 ms 0 KB -