8月6号阿里笔试
同时附上AC代码
第一题 新世界
#include<iostream>
#include<cstring>
#include<algorithm>
#include<cstdio>
using namespace std;
int d, m, w;
int i, j, k;
typedef long long ll;
int main() {
scanf("%d%d%d", &d, &m, &w);
scanf("%d%d%d", &i, &j, &k);
ll y = m * d;
ll total = (k - 1) * y + (j - 1) * d + i;
ll res = (total - 1) % w;
printf("%c\n", 'a' + res);
return 0;
} #include<iostream>
#include<algorithm>
#include<cstdio>
#include<cstring>
using namespace std;
const int N = 10010;
int p[N];
int n;
int a, b, c, t;
int find(int x) {
if (x != p[x]) p[x] = find(p[x]);
return p[x];
}
int main() {
scanf("%d", &n);
for (int i = 0; i < N; i++) p[i] = i;
while (n--) {
scanf("%d", &t);
if (t == 1) {
scanf("%d%d", &a, &b);
int pa = find(p[a]);
int pb = find(p[b]);
if (pa != pb)
p[pa] = pb;
} else {
scanf("%d%d%d", &a, &b, &c);
a = a % c;
b = b % c;
if (find(p[a]) == find(p[b])) puts("YES");
else puts("NO");
}
}
} 
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