30 条题解
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某题解师题解（引用，无恶意）：
#pragma GCC optimize(3) #pragma GCC target("avx") #pragma GCC optimize("Ofast") #pragma GCC optimize("inline") #pragma GCC optimize("-fgcse") #pragma GCC optimize("-fgcse-lm") #pragma GCC optimize("-fipa-sra") #pragma GCC optimize("-ftree-pre") #pragma GCC optimize("-ftree-vrp") #pragma GCC optimize("-fpeephole2") #pragma GCC optimize("-ffast-math") #pragma GCC optimize("-fsched-spec") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("-falign-jumps") #pragma GCC optimize("-falign-loops") #pragma GCC optimize("-falign-labels") #pragma GCC optimize("-fdevirtualize") #pragma GCC optimize("-fcaller-saves") #pragma GCC optimize("-fcrossjumping") #pragma GCC optimize("-fthread-jumps") #pragma GCC optimize("-funroll-loops") #pragma GCC optimize("-fwhole-program") #pragma GCC optimize("-freorder-blocks") #pragma GCC optimize("-fschedule-insns") #pragma GCC optimize("inline-functions") #pragma GCC optimize("-ftree-tail-merge") #pragma GCC optimize("-fschedule-insns2") #pragma GCC optimize("-fstrict-aliasing") #pragma GCC optimize("-fstrict-overflow") #pragma GCC optimize("-falign-functions") #pragma GCC optimize("-fcse-skip-blocks") #pragma GCC optimize("-fcse-follow-jumps") #pragma GCC optimize("-fsched-interblock") #pragma GCC optimize("-fpartial-inlining") #pragma GCC optimize("no-stack-protector") #pragma GCC optimize("-freorder-functions") #pragma GCC optimize("-findirect-inlining") #pragma GCC optimize("-fhoist-adjacent-loads") #pragma GCC optimize("-frerun-cse-after-loop") #pragma GCC optimize("inline-small-functions") #pragma GCC optimize("-finline-small-functions") #pragma GCC optimize("-ftree-switch-conversion") #pragma GCC optimize("-foptimize-sibling-calls") #pragma GCC optimize("-fexpensive-optimizations") #pragma GCC optimize("-funsafe-loop-optimizations") #pragma GCC optimize("inline-functions-called-once") #pragma GCC optimize("-fdelete-null-pointer-checks") #include <queue> #include <math.h> #include <stack> #include <stdio.h> #include <iostream> #include <vector> #include <iomanip> #include <string.h> #include <algorithm> using namespace std; #define int long long const int N = 1e5 + 10; const int INF = 0x3f3f3f3f; int n; signed main() { scanf("%lld ", &n); if(n){//判断n是否不为0 if(n > 0)//判断n是否为整数 puts("positive");//字符串专属输出方式 else puts("negative"); } else puts("zero"); return 0; }\\ 邓梓昊题解我有点想笑。， 有点小题大作（主观感受
思路： 可改为：
#include<bits/stdc++.h> using namespace std; int n; signed main() { scanf("%lld ", &n); if(n){//判断n是否不为0 if(n > 0)//判断n是否为整数 puts("positive");//字符串专属输出方式 else puts("negative"); } else puts("zero"); return 0; }或改为：
#include <stdio.h> #define int long long int n; signed main() { scanf("%lld ", &n); if(n){ if(n > 0) puts("positive"); else puts("negative"); } else puts("zero"); return 0; }-
liziyang
@ 2025-5-24 20:19:44
题解师已更新纯享版，谢谢采纳！！
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#pragma GCC optimize(3) #pragma GCC target("avx") #pragma GCC optimize("Ofast") #pragma GCC optimize("inline") #pragma GCC optimize("-fgcse") #pragma GCC optimize("-fgcse-lm") #pragma GCC optimize("-fipa-sra") #pragma GCC optimize("-ftree-pre") #pragma GCC optimize("-ftree-vrp") #pragma GCC optimize("-fpeephole2") #pragma GCC optimize("-ffast-math") #pragma GCC optimize("-fsched-spec") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("-falign-jumps") #pragma GCC optimize("-falign-loops") #pragma GCC optimize("-falign-labels") #pragma GCC optimize("-fdevirtualize") #pragma GCC optimize("-fcaller-saves") #pragma GCC optimize("-fcrossjumping") #pragma GCC optimize("-fthread-jumps") #pragma GCC optimize("-funroll-loops") #pragma GCC optimize("-fwhole-program") #pragma GCC optimize("-freorder-blocks") #pragma GCC optimize("-fschedule-insns") #pragma GCC optimize("inline-functions") #pragma GCC optimize("-ftree-tail-merge") #pragma GCC optimize("-fschedule-insns2") #pragma GCC optimize("-fstrict-aliasing") #pragma GCC optimize("-fstrict-overflow") #pragma GCC optimize("-falign-functions") #pragma GCC optimize("-fcse-skip-blocks") #pragma GCC optimize("-fcse-follow-jumps") #pragma GCC optimize("-fsched-interblock") #pragma GCC optimize("-fpartial-inlining") #pragma GCC optimize("no-stack-protector") #pragma GCC optimize("-freorder-functions") #pragma GCC optimize("-findirect-inlining") #pragma GCC optimize("-fhoist-adjacent-loads") #pragma GCC optimize("-frerun-cse-after-loop") #pragma GCC optimize("inline-small-functions") #pragma GCC optimize("-finline-small-functions") #pragma GCC optimize("-ftree-switch-conversion") #pragma GCC optimize("-foptimize-sibling-calls") #pragma GCC optimize("-fexpensive-optimizations") #pragma GCC optimize("-funsafe-loop-optimizations") #pragma GCC optimize("inline-functions-called-once") #pragma GCC optimize("-fdelete-null-pointer-checks") #include <queue> #include <math.h> #include <stack> #include <stdio.h> #include <iostream> #include <vector> #include <iomanip> #include <string.h> #include <algorithm> using namespace std; #define int long long const int N = 1e5 + 10; const int INF = 0x3f3f3f3f; int n; signed main() { scanf("%lld ", &n); if(n){//判断n是否不为0 if(n > 0)//判断n是否为整数 puts("positive");//字符串专属输出方式 else puts("negative"); } else puts("zero"); return 0; }纯享版：
#include <stdio.h> #define int long long int n; signed main() { scanf("%lld ", &n); if(n){ if(n > 0) puts("positive"); else puts("negative"); } else puts("zero"); return 0; } -
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zengzhijin LV 6 @ 2023-1-26 16:23:08
#include <bits/stdc++.h> using namespace std; int main(){ int n; cin >> n; if (n == 0){ cout << "zero"; }else if (n < 0){ cout << "negative"; }else{ cout << "positive"; } return 0; } -
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#include <iostream> #include <stdio.h> #include <iomanip> #include <math.h> using namespace std; int main() { int N; cin>>N; if(N>0) { cout<<"positive"; } if(N==0){ cout<<"zero"; } if(N<0){ cout<<"negative"; } return 0; }
sng2025124
LV 6
@ 2025-8-14 16:09:53
