Submission #3231104


Source Code Expand

#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <complex>
#include <stack>
#include <queue>
#include <map>
#include <set>
#include <bitset>
#include <chrono>
#include <random>
#include <unordered_map>
#include <cassert>
#pragma GCC optimize("O3")
#pragma comment(linker, "STACK:36777216")
using namespace std;
using i64 = int64_t;
constexpr i64 MOD = 1e9 + 7;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
using vi = vector<i64>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using ii = pair<i64, i64>;

int main() {
    i64 n, a, b;
    cin >> n >> a >> b;
    
    if (n == 1) {
        if (a != b) {
            cout << 0 << endl;
            return 0;
        }
    }
    if (a > b) {
        cout << 0 << endl;
        return 0;
    }
    
    cout << 1 + (b - a) * (n - 2) << endl;
}

Submission Info

Submission Time
Task A - A+...+B Problem
User xuzijian629
Language C++14 (GCC 5.4.1)
Score 200
Code Size 896 Byte
Status AC
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 4
AC × 12
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt, s4.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, s1.txt, s2.txt, s3.txt, s4.txt
Case Name Status Exec Time Memory
01.txt AC 1 ms 256 KB
02.txt AC 1 ms 256 KB
03.txt AC 1 ms 256 KB
04.txt AC 1 ms 256 KB
05.txt AC 1 ms 256 KB
06.txt AC 1 ms 256 KB
07.txt AC 1 ms 256 KB
08.txt AC 1 ms 256 KB
s1.txt AC 1 ms 256 KB
s2.txt AC 1 ms 256 KB
s3.txt AC 1 ms 256 KB
s4.txt AC 1 ms 256 KB