Submission #56254969

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//#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC target("sse4.2,abm,bmi,bmi2,popcnt,lzcnt,avx,avx2,fma")
#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <iomanip>
#include <set>
#include <stack>
#include <map>
#include <list>
#include <string>
#include <cstring>
#include <cstdlib>
#include <cctype>
#include <fstream>
#include <ios>
#include <signal.h>
#include <queue>
#include <ctime>
#include <bitset>
 
 
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//#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC target("sse4.2,abm,bmi,bmi2,popcnt,lzcnt,avx,avx2,fma")
#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <iomanip>
#include <set>
#include <stack>
#include <map>
#include <list>
#include <string>
#include <cstring>
#include <cstdlib>
#include <cctype>
#include <fstream>
#include <ios>
#include <signal.h>
#include <queue>
#include <ctime>
#include <bitset>
#include <unordered_map>
#include <random>
#include <unordered_set>
#include <functional>
//#include <windows.h>
//#include "Header.h"
//#define f first
//#define s second

typedef long long ll;
typedef unsigned long long ull;

using namespace std;

ll GCD(ll a, ll b) {
    if (b > a) {
        swap(a, b);
    }
    if (a < 0 || b < 0) {
        return a >= 0 ? a : b;
    }
    while (b != 0 && a != b) {
        ll t = b;
        b = a % b;
        a = t;
    }
    return a;
}

pair<ll, ll> GCDEX(ll a, ll b) {
    bool flag = true;
    if (b > a) {
        swap(a, b);
        flag = false;
    }
    ll x1 = 1, y1 = 0, x2 = 0, y2 = 1, tx, ty;
    while (b != 0 && a != b) {
        tx = x1 - (a / b) * x2, ty = y1 - (a / b) * y2;
        x1 = x2, y1 = y2, x2 = tx, y2 = ty;
        ll t = b;
        b = a % b;
        a = t;
    }
    if (!flag) {
        ll temp = x1;
        x1 = y1;
        y1 = temp;
    }
    return { x1, y1 };
}

ll bpow(ll n, ll a, const ll mod) { return n == 0 ? 1 : n & 1 ? a * (bpow(n - 1, a, mod) % mod) % mod : bpow(n >> 1, a * (a % mod) % mod, mod); }

const int SIZE = 65;

vector<vector<ll> > matrix_product(vector<vector<ll> >& mat1, vector<vector<ll> >& mat2, const ll &mod) {
    vector<vector<ll> > temp(mat1.size(), vector<ll>(mat1.size()));
    for (ll i = 0; i < mat1.size(); ++i) {
        for (ll j = 0; j < mat1.size(); ++j) {
            ll tmp = 0;
            for (ll g = 0; g < mat1.size(); ++g) {
                tmp += (mat1[i][g] * mat2[g][j]) % mod;
                tmp %= mod;
            }
            temp[i][j] = tmp;
        }
    }
    return temp;
}

int main(int argc, char* argv[]) {
    //SetConsoleCP(1251);
    //SetConsoleOutputCP(1251);
    //freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);
    //string alf = "abcdefghijklmnopqrstuvwxyz";
    //srand(time(0));
    //const double PI = 3.1415926535897932;
    //hash<string> hasher;
    const double eps = 0.000000001;
    const ll mod = 1e9 + 7;
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    ll n;
    cin >> n;
    vector<pair<ll, ll> > v(n);
    for (ll i = 1; i <= n; ++i) {
        cin >> v[i - 1].first;
        v[i - 1].second = i;
    }
    sort(v.begin(), v.end());
    cout << v[n - 2].second << '\n';
    return 0;
}

/*

*/

/*//#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC target("sse4.2,abm,bmi,bmi2,popcnt,lzcnt,avx,avx2,fma")
#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <iomanip>
#include <set>
#include <stack>
#include <map>
#include <list>
#include <string>
#include <cstring>
#include <cstdlib>
#include <cctype>
#include <fstream>
#include <ios>
#include <signal.h>
#include <queue>
#include <ctime>
#include <windows.h>
//#include "Header.h"
//#define f first
//#define s second

using namespace std;

int main(int argc, char* argv[]) {
    //SetConsoleCP(1251);
    //SetConsoleOutputCP(1251);
    //freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    //string alf = "abcdefghijklmnopqrstuvwxyz";
    //string alf = "абвгдеёжзийклмнопрстуфхцчшщъыьэюя";
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    ll cnt = 0;
    for (ll i = 1; cnt + i <= 1e9; ) {
        cnt += i;
        i *= 2;
    }
    //cout << cnt << '\n';
    ll t = 1;
    cout << t << '\n';
    srand(time(0));
    while (t--) {
        cout << 100000 << '\n';
        for (ll i = 0; i < 1e5; ++i) {
            cout << 1000000 << ' ';
        }
        cout << '\n' << 100000 << '\n';
        for (ll i = 0; i < 1e5; ++i) {
            cout << 1 << ' ' << 1 << ' ' << 100000;
        }
    }
    return 0;
}

ll t, n, m, q, a, b, c, d, x, mx, mn, k, cnt, l, r, ans, temp, id;
string s, s1, s2;
bool flag = true;
cin >> t;
while (t--) {

}*/

Submission Info

Compile Error

Main.cpp: In function ‘std::vector<std::vector<long long int> > matrix_product(std::vector<std::vector<long long int> >&, std::vector<std::vector<long long int> >&, const ll&)’:
Main.cpp:79:22: warning: comparison of integer expressions of different signedness: ‘ll’ {aka ‘long long int’} and ‘std::vector<std::vector<long long int> >::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   79 |     for (ll i = 0; i < mat1.size(); ++i) {
      |                    ~~^~~~~~~~~~~~~
Main.cpp:80:26: warning: comparison of integer expressions of different signedness: ‘ll’ {aka ‘long long int’} and ‘std::vector<std::vector<long long int> >::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   80 |         for (ll j = 0; j < mat1.size(); ++j) {
      |                        ~~^~~~~~~~~~~~~
Main.cpp:82:30: warning: comparison of integer expressions of different signedness: ‘ll’ {aka ‘long long int’} and ‘std::vector<std::vector<long long int> >::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   82 |             for (ll g = 0; g < mat1.size(); ++g) {
      |                            ~~^~~~~~~~~~~~~
Main.cpp: In function ‘int main(int, char**)’:
Main.cpp:101:18: warning: unused variable ‘eps’ [-Wunused-variable]
  101 |     const double eps = 0.000000001;
      |                  ^~~
Main.cpp:102:14: warning: unused variable ‘mod’ [-Wunused-variable]
  102 |     const ll mod = 1e9 + 7;
      |              ^~~
Main.cpp:92:14: warning: unused parameter ‘argc’ [-Wunused-parameter]
   92 | int main(int argc, char* argv[]) {
      |          ~~~~^~~~
Main.cpp:92:26: warning: unused parameter ‘argv’ [-Wunused-parameter]
   92 | int main(int argc, char* argv[]) {
      |                    ~~~~~~^~~~~~

Judge Result