답안 #43438

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
43438 2018-03-16T07:09:03 Z grumpy_gordon 과수원 (NOI14_orchard) C++14
17 / 25
200 ms 13384 KB
/*
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#include <bits/stdc++.h>

//#pragma GCC optimize("O3")
//#pragma GCC optimize("Ofast,no-stack-protector")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx")
//#pragma GCC target("avx,tune=native")
//float __attribute__((aligned(32)))

using namespace std;

typedef long long ll;

typedef unsigned long long ull;

typedef long double ld;

typedef unsigned int uint;

int mysqrt(ll x){
    int l = 0, r = 1e9 + 1;
    while (r - l > 1){
        int m = (l + r) / 2;
        if (m * (ll)m <= x)
            l = m;
        else
            r = m;
    }
    return l;
}

mt19937 rnd(1337);

mt19937_64 rndll(12365);

ll AR = 19, BR = 13, CR = 23, XR = 228, YR = 322, MODR = 1e9 + 993;

ll myrand(){
    ll ZR = (XR * AR + YR * BR + CR) % MODR;
    XR = YR;
    YR = ZR;
    return ZR;
}

const int Mod = 1e9 + 7;

int bpow(int x, int y){
    if (y == 0)
        return 1;
    if (y == 1)
        return x;
    int ret = bpow(x, y >> 1);
    ret = (ret * (ll)ret) % Mod;
    if (y & 1)
        ret = (ret * (ll)x) % Mod;
    return ret;
}

int bdiv(int x, int y){
    return (x * (ll)bpow(y, Mod - 2)) % Mod;
}

void setmin(int &x, int y){
    x = min(x, y);
}

void setmax(int &x, int y){
    x = max(x, y);
}

void setmin(ll &x, ll y){
    x = min(x, y);
}

void setmax(ll &x, ll y){
    x = max(x, y);
}

int gcd(int a, int b){
    return a ? gcd(b % a, a) : b;
}

const ll llinf = 2e18 + 100;

const double eps = 1e-9;

const int maxn = 1e5 + 100, maxw = 1e6 + 100, inf = 2e9 + 100, sq = 300, mod = 1e9 + 7, LG = 21;

int n, m;

int a[150][5000];

int col[151][5000];

int main()
{
    #ifdef ONPC
    //ifstream cin("a.in");
    //ofstream cout("a.out");
    freopen("a.in", "r", stdin);
    freopen("a.out", "w", stdout);
    #else
    //ifstream cin("gymnasts.in");
    //ofstream cout("gymnasts.out");
    //freopen("post.in", "r", stdin);
    //freopen("post.out", "w", stdout);
    #endif // ONPC
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int S = 0;
    cin >> n >> m;
    for (int i = 0; i < n; i++)
        for (int j = 0; j < m; j++)
            cin >> a[i][j], S += a[i][j];
    for (int i = 0; i < n; i++)
        for (int j = 0; j < m; j++)
            col[i + 1][j] = col[i][j] + a[i][j];
    int ans = S;
    for (int l = 0; l < n; l++)
        for (int r = l; r < n; r++){
            int val = 0, now = 0;
            for (int i = 0; i < m; i++){
                int o = col[r + 1][i] - col[l][i];
                now += r - l + 1 - 2 * o;
                val = max(val, now);
                ans = min(ans, S + now - val);
            }
        }
    cout << ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 2 ms 716 KB Output is correct
4 Correct 2 ms 716 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 960 KB Output is correct
2 Correct 3 ms 960 KB Output is correct
3 Correct 3 ms 960 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 63 ms 5320 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 19 ms 5320 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5320 KB Output is correct
2 Correct 8 ms 5320 KB Output is correct
3 Correct 8 ms 5320 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 200 ms 10376 KB Output is correct
2 Correct 182 ms 11916 KB Output is correct
3 Correct 179 ms 13384 KB Output is correct