oj.uz

Submission #37705

# Submission time Handle Problem Language Result Execution time Memory
37705 2017-12-27T03:37:53 Z adlet Simple game (IZhO17_game) C++14
49 / 100
 256 ms 37180 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 1e6 + 5;
const int INF = 1e9 + 5;

int n, m, pos[N], t[N * 4], z[N * 4];

inline void push(int v, int tl, int tr) {
    if (z[v] != 0) {
        if (tl != tr) {
            t[v * 2] += z[v];
            t[v * 2 + 1] += z[v];
            z[v * 2] += z[v];
            z[v * 2 + 1] += z[v];
        }
        z[v] = 0;
    }
}

inline void upd(int v, int tl, int tr, int l, int r, int x) {
    push(v, tl, tr);
    if (tl > r || tr < l) {
        return;
    }
    if (tl >= l && tr <= r) {
        t[v] += x;
        z[v] += x;
        push(v, tl, tr);
        return;
    }
    push(v, tl, tr);
    int tm = (tl + tr) / 2;
    upd(v * 2, tl, tm, l, r, x);
    upd(v * 2 + 1, tm + 1, tr, l, r, x);
    t[v] = min(t[v * 2], t[v * 2 + 1]);
}

int get(int v, int tl, int tr, int l, int r) {
    push(v, tl, tr);
    if (tl > r || tr < l)
        return INF;
    if (tl >= l && tr <= r)
        return t[v];
    push(v, tl, tr);
    int tm = (tl + tr) / 2;
    return min(get(v * 2, tl, tm, l, r),
               get(v * 2 + 1, tm + 1, tr, l, r));
}

int main() {
//    freopen("game.in", "r", stdin);
//    freopen("game.out", "w", stdout);
    scanf("%d%d", &n, &m);
    for (int i = 1; i <= n; ++i) {
        scanf("%d", &pos[i]);
        if (i > 1)
            upd(1, 1, N, min(pos[i], pos[i - 1]), max(pos[i], pos[i - 1]), 1);
    }
    if (m <= 1000 && n <= 1000) {
        for (int i = 1; i <= m; ++i) {
            int type;
            scanf("%d", &type);
            if (type == 1) {
                int j, val;
                scanf("%d%d", &j, &val);
                pos[j] = val;
            } else {
                int h, cnt = 0;
                scanf("%d", &h);
                for (int j = 1; j < n; ++j) {
                    if ((pos[j] > h && pos[j + 1] < h) || (pos[j] < h && pos[j + 1] > h))
                        ++cnt;
                }
                printf("%d\n", cnt);
            }
        }
        return 0;
    }
    for (int i = 1; i <= m; ++i) {
        int type;
        scanf("%d", &type);
        if (type == 1) {
            int j, val;
            scanf("%d%d", &j, &val);
            pos[j] = val;
        } else {
            int h, cnt = 0;
            scanf("%d", &h);
            printf("%d\n", get(1, 1, N, h, h));
        }
    }
}

Compilation message

game.cpp: In function 'int main()':
game.cpp:89:20: warning: unused variable 'cnt' [-Wunused-variable]
             int h, cnt = 0;
                    ^
game.cpp:55:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &m);
                          ^
game.cpp:57:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &pos[i]);
                             ^
game.cpp:64:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &type);
                               ^
game.cpp:67:40: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
                 scanf("%d%d", &j, &val);
                                        ^
game.cpp:71:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
                 scanf("%d", &h);
                                ^
game.cpp:83:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &type);
                           ^
game.cpp:86:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d%d", &j, &val);
                                    ^
game.cpp:90:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &h);
                            ^

Subtask #1
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 37180 KB Output is correct
2 Correct 3 ms 37180 KB Output is correct
3 Correct 3 ms 37180 KB Output is correct
4 Correct 6 ms 37180 KB Output is correct
5 Correct 3 ms 37180 KB Output is correct
6 Correct 0 ms 37180 KB Output is correct
7 Correct 0 ms 37180 KB Output is correct

Subtask #2
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 37180 KB Output is correct
2 Correct 3 ms 37180 KB Output is correct
3 Correct 3 ms 37180 KB Output is correct
4 Correct 6 ms 37180 KB Output is correct
5 Correct 3 ms 37180 KB Output is correct
6 Correct 0 ms 37180 KB Output is correct
7 Correct 0 ms 37180 KB Output is correct
8 Correct 93 ms 37180 KB Output is correct
9 Correct 256 ms 37180 KB Output is correct
10 Correct 249 ms 37180 KB Output is correct
11 Correct 99 ms 37180 KB Output is correct
12 Correct 199 ms 37180 KB Output is correct
13 Correct 199 ms 37180 KB Output is correct

Subtask #3
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 37180 KB Output is correct
2 Correct 3 ms 37180 KB Output is correct
3 Correct 3 ms 37180 KB Output is correct
4 Correct 6 ms 37180 KB Output is correct
5 Correct 3 ms 37180 KB Output is correct
6 Correct 0 ms 37180 KB Output is correct
7 Correct 0 ms 37180 KB Output is correct
8 Correct 93 ms 37180 KB Output is correct
9 Correct 256 ms 37180 KB Output is correct
10 Correct 249 ms 37180 KB Output is correct
11 Correct 99 ms 37180 KB Output is correct
12 Correct 199 ms 37180 KB Output is correct
13 Correct 199 ms 37180 KB Output is correct
14 Incorrect 233 ms 37180 KB Output isn't correct
15 Halted 0 ms 0 KB -