Submission #1139752

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1139752	2025-01-25 12:36:09	Kerim	Permutation Recovery (info1cup17_permutation)	C++20	0 / 100	1095 ms	2880 KiB

Main

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#include "bits/stdc++.h"
using namespace std;
vector<int>mods{(int) 1e9 + 7, 998244353};
struct Int {
    vector<int> val;
    Int(string s = "") {
        for (auto& mod : mods) {
            int ans = 0;
            for (auto& c : s) {
                ans = (ans * 10ll + c - '0') % mod;
            }
            val.push_back(ans);
        }
    }
    Int& operator+=(const Int& other) {
        for (int i = 0; i < (int) mods.size(); i++) {
            val[i] += other.val[i];
            if (val[i] >= mods[i]) {
                val[i] -= mods[i];
            }
        }
        return *this;
    }
    Int& operator-=(const Int& other) {
 
 
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:50:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~

• Subtask 1: 0 / 100